diff --git a/Plugins/Wox.Plugin.CMD/Wox.Plugin.CMD.csproj b/Plugins/Wox.Plugin.CMD/Wox.Plugin.CMD.csproj
index 1d6384003e..2471444bd4 100644
--- a/Plugins/Wox.Plugin.CMD/Wox.Plugin.CMD.csproj
+++ b/Plugins/Wox.Plugin.CMD/Wox.Plugin.CMD.csproj
@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Wox.Plugin.CMD</RootNamespace>
     <AssemblyName>Wox.Plugin.CMD</AssemblyName>
-    <TargetFrameworkVersion>v3.5</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\..\</SolutionDir>
     <TargetFrameworkProfile />
@@ -35,7 +35,7 @@
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="Newtonsoft.Json, Version=7.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
-      <HintPath>..\..\packages\Newtonsoft.Json.7.0.1\lib\net35\Newtonsoft.Json.dll</HintPath>
+      <HintPath>..\..\packages\Newtonsoft.Json.7.0.1\lib\net45\Newtonsoft.Json.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="PresentationCore" />
@@ -43,6 +43,7 @@
     <Reference Include="System" />
     <Reference Include="System.Core" />
     <Reference Include="System.Windows.Forms" />
+    <Reference Include="System.Xaml" />
     <Reference Include="System.Xml.Linq" />
     <Reference Include="System.Data.DataSetExtensions" />
     <Reference Include="System.Data" />
diff --git a/Plugins/Wox.Plugin.CMD/packages.config b/Plugins/Wox.Plugin.CMD/packages.config
index 838721e886..0b696a5146 100644
--- a/Plugins/Wox.Plugin.CMD/packages.config
+++ b/Plugins/Wox.Plugin.CMD/packages.config
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="InputSimulator" version="1.0.4.0" targetFramework="net35" />
-  <package id="Newtonsoft.Json" version="7.0.1" targetFramework="net35" />
+  <package id="InputSimulator" version="1.0.4.0" targetFramework="net452" />
+  <package id="Newtonsoft.Json" version="7.0.1" targetFramework="net452" />
 </packages>
\ No newline at end of file
diff --git a/Plugins/Wox.Plugin.Caculator/Wox.Plugin.Caculator.csproj b/Plugins/Wox.Plugin.Caculator/Wox.Plugin.Caculator.csproj
index 9d4306d601..e80e10107d 100644
--- a/Plugins/Wox.Plugin.Caculator/Wox.Plugin.Caculator.csproj
+++ b/Plugins/Wox.Plugin.Caculator/Wox.Plugin.Caculator.csproj
@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Wox.Plugin.Caculator</RootNamespace>
     <AssemblyName>Wox.Plugin.Caculator</AssemblyName>
-    <TargetFrameworkVersion>v3.5</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\..\</SolutionDir>
     <TargetFrameworkProfile />
@@ -39,8 +39,8 @@
     <Reference Include="System" />
     <Reference Include="System.Core" />
     <Reference Include="YAMP, Version=1.4.0.22422, Culture=neutral, processorArchitecture=MSIL">
-      <SpecificVersion>False</SpecificVersion>
       <HintPath>..\..\packages\YAMP.1.4.0\lib\net35\YAMP.dll</HintPath>
+      <Private>True</Private>
     </Reference>
   </ItemGroup>
   <ItemGroup>
diff --git a/Plugins/Wox.Plugin.Caculator/packages.config b/Plugins/Wox.Plugin.Caculator/packages.config
index 4e151aa36f..ef1566573c 100644
--- a/Plugins/Wox.Plugin.Caculator/packages.config
+++ b/Plugins/Wox.Plugin.Caculator/packages.config
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="YAMP" version="1.4.0" targetFramework="net35" />
+  <package id="YAMP" version="1.4.0" targetFramework="net452" />
 </packages>
\ No newline at end of file
diff --git a/Plugins/Wox.Plugin.Color/Wox.Plugin.Color.csproj b/Plugins/Wox.Plugin.Color/Wox.Plugin.Color.csproj
index b100f3c606..b2f9af335b 100644
--- a/Plugins/Wox.Plugin.Color/Wox.Plugin.Color.csproj
+++ b/Plugins/Wox.Plugin.Color/Wox.Plugin.Color.csproj
@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Wox.Plugin.Color</RootNamespace>
     <AssemblyName>Wox.Plugin.Color</AssemblyName>
-    <TargetFrameworkVersion>v3.5</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <TargetFrameworkProfile />
   </PropertyGroup>
diff --git a/Plugins/Wox.Plugin.ControlPanel/Wox.Plugin.ControlPanel.csproj b/Plugins/Wox.Plugin.ControlPanel/Wox.Plugin.ControlPanel.csproj
index 011dbe4fbd..de5b9a90a2 100644
--- a/Plugins/Wox.Plugin.ControlPanel/Wox.Plugin.ControlPanel.csproj
+++ b/Plugins/Wox.Plugin.ControlPanel/Wox.Plugin.ControlPanel.csproj
@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Wox.Plugin.ControlPanel</RootNamespace>
     <AssemblyName>Wox.Plugin.ControlPanel</AssemblyName>
-    <TargetFrameworkVersion>v3.5</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <TargetFrameworkProfile />
   </PropertyGroup>
diff --git a/Plugins/Wox.Plugin.Everything/ContextMenuStorage.cs b/Plugins/Wox.Plugin.Everything/ContextMenuStorage.cs
index bbb0d33753..1971cf95ae 100644
--- a/Plugins/Wox.Plugin.Everything/ContextMenuStorage.cs
+++ b/Plugins/Wox.Plugin.Everything/ContextMenuStorage.cs
@@ -1,7 +1,7 @@
 using System.Collections.Generic;
 using System.IO;
 using System.Reflection;
-using Newtonsoft.Json;
+using JsonProperty = Newtonsoft.Json.JsonPropertyAttribute;
 using Wox.Infrastructure.Storage;
 
 namespace Wox.Plugin.Everything
diff --git a/Plugins/Wox.Plugin.Everything/Wox.Plugin.Everything.csproj b/Plugins/Wox.Plugin.Everything/Wox.Plugin.Everything.csproj
index 8a76c3216f..66ca99783e 100644
--- a/Plugins/Wox.Plugin.Everything/Wox.Plugin.Everything.csproj
+++ b/Plugins/Wox.Plugin.Everything/Wox.Plugin.Everything.csproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
@@ -9,9 +9,10 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Wox.Plugin.Everything</RootNamespace>
     <AssemblyName>Wox.Plugin.Everything</AssemblyName>
-    <TargetFrameworkVersion>v3.5</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\Wox\</SolutionDir>
+    <TargetFrameworkProfile />
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
@@ -22,6 +23,7 @@
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
     <PlatformTarget>AnyCPU</PlatformTarget>
+    <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -30,13 +32,14 @@
     <DefineConstants>TRACE</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
+    <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
   <PropertyGroup>
     <StartupObject />
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="Newtonsoft.Json, Version=7.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
-      <HintPath>..\..\packages\Newtonsoft.Json.7.0.1\lib\net35\Newtonsoft.Json.dll</HintPath>
+      <HintPath>..\..\packages\Newtonsoft.Json.7.0.1\lib\net45\Newtonsoft.Json.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="PresentationCore" />
diff --git a/Plugins/Wox.Plugin.Everything/packages.config b/Plugins/Wox.Plugin.Everything/packages.config
index 9b49c9e22b..64b5d8efe5 100644
--- a/Plugins/Wox.Plugin.Everything/packages.config
+++ b/Plugins/Wox.Plugin.Everything/packages.config
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Newtonsoft.Json" version="7.0.1" targetFramework="net35" />
+  <package id="Newtonsoft.Json" version="7.0.1" targetFramework="net452" />
 </packages>
\ No newline at end of file
diff --git a/Plugins/Wox.Plugin.Folder/Wox.Plugin.Folder.csproj b/Plugins/Wox.Plugin.Folder/Wox.Plugin.Folder.csproj
index 78e2830a26..8f4daf0796 100644
--- a/Plugins/Wox.Plugin.Folder/Wox.Plugin.Folder.csproj
+++ b/Plugins/Wox.Plugin.Folder/Wox.Plugin.Folder.csproj
@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Wox.Plugin.Folder</RootNamespace>
     <AssemblyName>Wox.Plugin.Folder</AssemblyName>
-    <TargetFrameworkVersion>v3.5</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\..\</SolutionDir>
     <TargetFrameworkProfile />
@@ -35,7 +35,7 @@
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="Newtonsoft.Json, Version=7.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
-      <HintPath>..\..\packages\Newtonsoft.Json.7.0.1\lib\net35\Newtonsoft.Json.dll</HintPath>
+      <HintPath>..\..\packages\Newtonsoft.Json.7.0.1\lib\net45\Newtonsoft.Json.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="PresentationCore" />
@@ -43,6 +43,7 @@
     <Reference Include="System" />
     <Reference Include="System.Core" />
     <Reference Include="System.Windows.Forms" />
+    <Reference Include="System.Xaml" />
     <Reference Include="System.Xml.Linq" />
     <Reference Include="System.Data.DataSetExtensions" />
     <Reference Include="System.Data" />
diff --git a/Plugins/Wox.Plugin.Folder/packages.config b/Plugins/Wox.Plugin.Folder/packages.config
index 9b49c9e22b..64b5d8efe5 100644
--- a/Plugins/Wox.Plugin.Folder/packages.config
+++ b/Plugins/Wox.Plugin.Folder/packages.config
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Newtonsoft.Json" version="7.0.1" targetFramework="net35" />
+  <package id="Newtonsoft.Json" version="7.0.1" targetFramework="net452" />
 </packages>
\ No newline at end of file
diff --git a/Plugins/Wox.Plugin.PluginIndicator/Wox.Plugin.PluginIndicator.csproj b/Plugins/Wox.Plugin.PluginIndicator/Wox.Plugin.PluginIndicator.csproj
index 9c359acab6..d68a2a81cd 100644
--- a/Plugins/Wox.Plugin.PluginIndicator/Wox.Plugin.PluginIndicator.csproj
+++ b/Plugins/Wox.Plugin.PluginIndicator/Wox.Plugin.PluginIndicator.csproj
@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Wox.Plugin.PluginIndicator</RootNamespace>
     <AssemblyName>Wox.Plugin.PluginIndicator</AssemblyName>
-    <TargetFrameworkVersion>v3.5</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <TargetFrameworkProfile />
   </PropertyGroup>
diff --git a/Plugins/Wox.Plugin.PluginManagement/Wox.Plugin.PluginManagement.csproj b/Plugins/Wox.Plugin.PluginManagement/Wox.Plugin.PluginManagement.csproj
index 3870480f36..8ee89613dd 100644
--- a/Plugins/Wox.Plugin.PluginManagement/Wox.Plugin.PluginManagement.csproj
+++ b/Plugins/Wox.Plugin.PluginManagement/Wox.Plugin.PluginManagement.csproj
@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Wox.Plugin.PluginManagement</RootNamespace>
     <AssemblyName>Wox.Plugin.PluginManagement</AssemblyName>
-    <TargetFrameworkVersion>v3.5</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\..\</SolutionDir>
     <TargetFrameworkProfile />
@@ -35,7 +35,7 @@
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="Newtonsoft.Json, Version=7.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
-      <HintPath>..\..\packages\Newtonsoft.Json.7.0.1\lib\net35\Newtonsoft.Json.dll</HintPath>
+      <HintPath>..\..\packages\Newtonsoft.Json.7.0.1\lib\net45\Newtonsoft.Json.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="PresentationFramework" />
diff --git a/Plugins/Wox.Plugin.PluginManagement/packages.config b/Plugins/Wox.Plugin.PluginManagement/packages.config
index 9b49c9e22b..64b5d8efe5 100644
--- a/Plugins/Wox.Plugin.PluginManagement/packages.config
+++ b/Plugins/Wox.Plugin.PluginManagement/packages.config
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Newtonsoft.Json" version="7.0.1" targetFramework="net35" />
+  <package id="Newtonsoft.Json" version="7.0.1" targetFramework="net452" />
 </packages>
\ No newline at end of file
diff --git a/Plugins/Wox.Plugin.Program/Programs.cs b/Plugins/Wox.Plugin.Program/Programs.cs
index 90604cf702..3dd2a3fdbd 100644
--- a/Plugins/Wox.Plugin.Program/Programs.cs
+++ b/Plugins/Wox.Plugin.Program/Programs.cs
@@ -29,9 +29,9 @@ namespace Wox.Plugin.Program
         {
 
             var fuzzyMather = FuzzyMatcher.Create(query.Search);
-            var results = programs.Where(o => MatchProgram(o, fuzzyMather)).
+            var results = programs.Where(p => MatchProgram(p, fuzzyMather)).
                                    Select(ScoreFilter).
-                                   OrderByDescending(o => o.Score)
+                                   OrderByDescending(p => p.Score)
                                    .Select(c => new Result()
                                    {
                                        Title = c.Title,
@@ -53,8 +53,7 @@ namespace Wox.Plugin.Program
         {
             var scores = new List<string> { program.Title, program.PinyinTitle, program.AbbrTitle, program.ExecuteName };
             program.Score = scores.Select(s => matcher.Evaluate(s ?? string.Empty).Score).Max();
-            if (program.Score > 0) return true;
-            else return false;
+            return program.Score > 0;
         }
 
         public void Init(PluginInitContext context)
diff --git a/Plugins/Wox.Plugin.Program/Wox.Plugin.Program.csproj b/Plugins/Wox.Plugin.Program/Wox.Plugin.Program.csproj
index 5eac4a7511..4ec3ee3002 100644
--- a/Plugins/Wox.Plugin.Program/Wox.Plugin.Program.csproj
+++ b/Plugins/Wox.Plugin.Program/Wox.Plugin.Program.csproj
@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Wox.Plugin.Program</RootNamespace>
     <AssemblyName>Wox.Plugin.Program</AssemblyName>
-    <TargetFrameworkVersion>v3.5</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\..\</SolutionDir>
     <TargetFrameworkProfile />
@@ -34,8 +34,9 @@
     <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="Microsoft.CSharp" />
     <Reference Include="Newtonsoft.Json, Version=7.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
-      <HintPath>..\..\packages\Newtonsoft.Json.7.0.1\lib\net35\Newtonsoft.Json.dll</HintPath>
+      <HintPath>..\..\packages\Newtonsoft.Json.7.0.1\lib\net45\Newtonsoft.Json.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="PresentationCore" />
@@ -43,6 +44,7 @@
     <Reference Include="System" />
     <Reference Include="System.Core" />
     <Reference Include="System.Windows.Forms" />
+    <Reference Include="System.Xaml" />
     <Reference Include="System.Xml" />
     <Reference Include="WindowsBase" />
   </ItemGroup>
diff --git a/Plugins/Wox.Plugin.Program/packages.config b/Plugins/Wox.Plugin.Program/packages.config
index 9b49c9e22b..64b5d8efe5 100644
--- a/Plugins/Wox.Plugin.Program/packages.config
+++ b/Plugins/Wox.Plugin.Program/packages.config
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Newtonsoft.Json" version="7.0.1" targetFramework="net35" />
+  <package id="Newtonsoft.Json" version="7.0.1" targetFramework="net452" />
 </packages>
\ No newline at end of file
diff --git a/Plugins/Wox.Plugin.Sys/Wox.Plugin.Sys.csproj b/Plugins/Wox.Plugin.Sys/Wox.Plugin.Sys.csproj
index 34e5e20650..3be9f8c30f 100644
--- a/Plugins/Wox.Plugin.Sys/Wox.Plugin.Sys.csproj
+++ b/Plugins/Wox.Plugin.Sys/Wox.Plugin.Sys.csproj
@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Wox.Plugin.Sys</RootNamespace>
     <AssemblyName>Wox.Plugin.Sys</AssemblyName>
-    <TargetFrameworkVersion>v3.5</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\..\</SolutionDir>
     <TargetFrameworkProfile />
@@ -39,6 +39,7 @@
     <Reference Include="System" />
     <Reference Include="System.Core" />
     <Reference Include="System.Windows.Forms" />
+    <Reference Include="System.Xaml" />
     <Reference Include="System.Xml.Linq" />
     <Reference Include="System.Data.DataSetExtensions" />
     <Reference Include="System.Data" />
diff --git a/Plugins/Wox.Plugin.Url/Wox.Plugin.Url.csproj b/Plugins/Wox.Plugin.Url/Wox.Plugin.Url.csproj
index cfc35a6cb5..676bf001b5 100644
--- a/Plugins/Wox.Plugin.Url/Wox.Plugin.Url.csproj
+++ b/Plugins/Wox.Plugin.Url/Wox.Plugin.Url.csproj
@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Wox.Plugin.Url</RootNamespace>
     <AssemblyName>Wox.Plugin.Url</AssemblyName>
-    <TargetFrameworkVersion>v3.5</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <TargetFrameworkProfile />
   </PropertyGroup>
diff --git a/Plugins/Wox.Plugin.WebSearch/Wox.Plugin.WebSearch.csproj b/Plugins/Wox.Plugin.WebSearch/Wox.Plugin.WebSearch.csproj
index fec98b0da8..667253e6af 100644
--- a/Plugins/Wox.Plugin.WebSearch/Wox.Plugin.WebSearch.csproj
+++ b/Plugins/Wox.Plugin.WebSearch/Wox.Plugin.WebSearch.csproj
@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Wox.Plugin.WebSearch</RootNamespace>
     <AssemblyName>Wox.Plugin.WebSearch</AssemblyName>
-    <TargetFrameworkVersion>v3.5</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\..\</SolutionDir>
     <TargetFrameworkProfile />
@@ -35,13 +35,14 @@
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="Newtonsoft.Json, Version=7.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
-      <HintPath>..\..\packages\Newtonsoft.Json.7.0.1\lib\net35\Newtonsoft.Json.dll</HintPath>
+      <HintPath>..\..\packages\Newtonsoft.Json.7.0.1\lib\net45\Newtonsoft.Json.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="PresentationCore" />
     <Reference Include="PresentationFramework" />
     <Reference Include="System" />
     <Reference Include="System.Core" />
+    <Reference Include="System.Xaml" />
     <Reference Include="System.Xml.Linq" />
     <Reference Include="System.Data.DataSetExtensions" />
     <Reference Include="System.Data" />
diff --git a/Plugins/Wox.Plugin.WebSearch/packages.config b/Plugins/Wox.Plugin.WebSearch/packages.config
index 9b49c9e22b..64b5d8efe5 100644
--- a/Plugins/Wox.Plugin.WebSearch/packages.config
+++ b/Plugins/Wox.Plugin.WebSearch/packages.config
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Newtonsoft.Json" version="7.0.1" targetFramework="net35" />
+  <package id="Newtonsoft.Json" version="7.0.1" targetFramework="net452" />
 </packages>
\ No newline at end of file
diff --git a/Wox.Core/Wox.Core.csproj b/Wox.Core/Wox.Core.csproj
index 877abfa32e..6856a93632 100644
--- a/Wox.Core/Wox.Core.csproj
+++ b/Wox.Core/Wox.Core.csproj
@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Wox.Core</RootNamespace>
     <AssemblyName>Wox.Core</AssemblyName>
-    <TargetFrameworkVersion>v3.5</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\</SolutionDir>
     <TargetFrameworkProfile />
@@ -43,7 +43,7 @@
       <Private>True</Private>
     </Reference>
     <Reference Include="Newtonsoft.Json, Version=7.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
-      <HintPath>..\packages\Newtonsoft.Json.7.0.1\lib\net35\Newtonsoft.Json.dll</HintPath>
+      <HintPath>..\packages\Newtonsoft.Json.7.0.1\lib\net45\Newtonsoft.Json.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="PresentationCore" />
@@ -52,6 +52,7 @@
     <Reference Include="System.Core" />
     <Reference Include="System.Drawing" />
     <Reference Include="System.Windows.Forms" />
+    <Reference Include="System.Xaml" />
     <Reference Include="System.Xml" />
     <Reference Include="WindowsBase" />
   </ItemGroup>
diff --git a/Wox.Core/packages.config b/Wox.Core/packages.config
index 1bef75167a..0a18f6284d 100644
--- a/Wox.Core/packages.config
+++ b/Wox.Core/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="NAppUpdate.Framework" version="0.3.2.0" targetFramework="net35" />
-  <package id="Newtonsoft.Json" version="7.0.1" targetFramework="net35" />
-  <package id="SharpZipLib" version="0.86.0" targetFramework="net35" />
+  <package id="NAppUpdate.Framework" version="0.3.2.0" targetFramework="net452" />
+  <package id="Newtonsoft.Json" version="7.0.1" targetFramework="net452" />
+  <package id="SharpZipLib" version="0.86.0" targetFramework="net452" />
 </packages>
\ No newline at end of file
diff --git a/Wox.CrashReporter/Wox.CrashReporter.csproj b/Wox.CrashReporter/Wox.CrashReporter.csproj
index b64a35ef9a..9bb3e653d6 100644
--- a/Wox.CrashReporter/Wox.CrashReporter.csproj
+++ b/Wox.CrashReporter/Wox.CrashReporter.csproj
@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Wox.CrashReporter</RootNamespace>
     <AssemblyName>Wox.CrashReporter</AssemblyName>
-    <TargetFrameworkVersion>v3.5</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\</SolutionDir>
     <TargetFrameworkProfile />
@@ -34,13 +34,19 @@
     <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="Exceptionless">
-      <HintPath>..\packages\Exceptionless.1.5.2121\lib\net35\Exceptionless.dll</HintPath>
+    <Reference Include="Exceptionless, Version=1.5.2121.0, Culture=neutral, PublicKeyToken=fc181f0a46f65747, processorArchitecture=MSIL">
+      <HintPath>..\packages\Exceptionless.1.5.2121\lib\net45\Exceptionless.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="Exceptionless.Models, Version=1.5.2121.0, Culture=neutral, PublicKeyToken=fc181f0a46f65747, processorArchitecture=MSIL">
+      <HintPath>..\packages\Exceptionless.1.5.2121\lib\net45\Exceptionless.Models.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="PresentationCore" />
     <Reference Include="PresentationFramework" />
     <Reference Include="System" />
     <Reference Include="System.Core" />
+    <Reference Include="System.Xaml" />
     <Reference Include="System.Xml.Linq" />
     <Reference Include="System.Data.DataSetExtensions" />
     <Reference Include="System.Data" />
diff --git a/Wox.CrashReporter/packages.config b/Wox.CrashReporter/packages.config
index aaa9e6ed9c..a8a044e437 100644
--- a/Wox.CrashReporter/packages.config
+++ b/Wox.CrashReporter/packages.config
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Exceptionless" version="1.5.2121" targetFramework="net35" />
+  <package id="Exceptionless" version="1.5.2121" targetFramework="net452" />
 </packages>
\ No newline at end of file
diff --git a/Wox.Infrastructure/Wox.Infrastructure.csproj b/Wox.Infrastructure/Wox.Infrastructure.csproj
index 0c75c74567..070d2992b3 100644
--- a/Wox.Infrastructure/Wox.Infrastructure.csproj
+++ b/Wox.Infrastructure/Wox.Infrastructure.csproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Wox.Infrastructure</RootNamespace>
     <AssemblyName>Wox.Infrastructure</AssemblyName>
-    <TargetFrameworkVersion>v3.5</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\</SolutionDir>
     <TargetFrameworkProfile />
@@ -37,11 +37,11 @@
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="Newtonsoft.Json, Version=7.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
-      <HintPath>..\packages\Newtonsoft.Json.7.0.1\lib\net35\Newtonsoft.Json.dll</HintPath>
+      <HintPath>..\packages\Newtonsoft.Json.7.0.1\lib\net45\Newtonsoft.Json.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="NLog, Version=4.0.0.0, Culture=neutral, PublicKeyToken=5120e14c03d0593c, processorArchitecture=MSIL">
-      <HintPath>..\packages\NLog.4.2.0\lib\net35\NLog.dll</HintPath>
+      <HintPath>..\packages\NLog.4.2.0\lib\net45\NLog.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="System" />
diff --git a/Wox.Infrastructure/packages.config b/Wox.Infrastructure/packages.config
index ff40a49bae..1a48622862 100644
--- a/Wox.Infrastructure/packages.config
+++ b/Wox.Infrastructure/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Newtonsoft.Json" version="7.0.1" targetFramework="net35" />
-  <package id="NLog" version="4.2.0" targetFramework="net35" />
-  <package id="NLog.Schema" version="4.2.0" targetFramework="net35" />
+  <package id="Newtonsoft.Json" version="7.0.1" targetFramework="net452" />
+  <package id="NLog" version="4.2.0" targetFramework="net452" />
+  <package id="NLog.Schema" version="4.2.0" targetFramework="net452" />
 </packages>
\ No newline at end of file
diff --git a/Wox.Plugin/Result.cs b/Wox.Plugin/Result.cs
index 992c50a5d1..ced01e38b3 100644
--- a/Wox.Plugin/Result.cs
+++ b/Wox.Plugin/Result.cs
@@ -48,8 +48,7 @@ namespace Wox.Plugin
             if (r != null)
             {
                 var equality = string.Equals(r.Title, Title) &&
-                               string.Equals(r.SubTitle, SubTitle) &&
-                               r.Score == Score;
+                               string.Equals(r.SubTitle, SubTitle);
                 return equality;
             }
             else
@@ -61,8 +60,7 @@ namespace Wox.Plugin
         public override int GetHashCode()
         {
             var hashcode = (Title?.GetHashCode() ?? 0) ^
-                           (SubTitle?.GetHashCode() ?? 0) ^
-                           (Score.GetHashCode());
+                           (SubTitle?.GetHashCode() ?? 0) ;
             return hashcode;
         }
 
diff --git a/Wox.Plugin/Wox.Plugin.csproj b/Wox.Plugin/Wox.Plugin.csproj
index aa89d8ab18..559f6cf463 100644
--- a/Wox.Plugin/Wox.Plugin.csproj
+++ b/Wox.Plugin/Wox.Plugin.csproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
@@ -9,8 +9,9 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Wox.Plugin</RootNamespace>
     <AssemblyName>Wox.Plugin</AssemblyName>
-    <TargetFrameworkVersion>v3.5</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
+    <TargetFrameworkProfile />
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
@@ -21,6 +22,7 @@
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
     <PlatformTarget>AnyCPU</PlatformTarget>
+    <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -29,12 +31,14 @@
     <DefineConstants>TRACE</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
+    <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="PresentationCore" />
     <Reference Include="PresentationFramework" />
     <Reference Include="System" />
     <Reference Include="System.Core" />
+    <Reference Include="System.Xaml" />
     <Reference Include="WindowsBase" />
   </ItemGroup>
   <ItemGroup>
diff --git a/Wox.Test/Wox.Test.csproj b/Wox.Test/Wox.Test.csproj
index 2cc0b78146..e1b65e45b5 100644
--- a/Wox.Test/Wox.Test.csproj
+++ b/Wox.Test/Wox.Test.csproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Wox.Test</RootNamespace>
     <AssemblyName>Wox.Test</AssemblyName>
-    <TargetFrameworkVersion>v3.5</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\</SolutionDir>
     <TargetFrameworkProfile />
@@ -34,9 +34,13 @@
     <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="Moq, Version=4.2.1409.1722, Culture=neutral, PublicKeyToken=69f491c39445e920, processorArchitecture=MSIL">
+      <HintPath>..\packages\Moq.4.2.1409.1722\lib\net40\Moq.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="nunit.framework, Version=2.6.4.14350, Culture=neutral, PublicKeyToken=96d09a1eb7f44a77, processorArchitecture=MSIL">
-      <SpecificVersion>False</SpecificVersion>
       <HintPath>..\packages\NUnit.2.6.4\lib\nunit.framework.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System.Core" />
   </ItemGroup>
diff --git a/Wox.Test/packages.config b/Wox.Test/packages.config
index 565203e846..8bd8a9d0e8 100644
--- a/Wox.Test/packages.config
+++ b/Wox.Test/packages.config
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Moq" version="4.2.1409.1722" targetFramework="net35" />
-  <package id="NUnit" version="2.6.4" targetFramework="net35" />
+  <package id="Moq" version="4.2.1409.1722" targetFramework="net452" />
+  <package id="NUnit" version="2.6.4" targetFramework="net452" />
 </packages>
\ No newline at end of file
diff --git a/Wox.UpdateFeedGenerator/Wox.UpdateFeedGenerator.csproj b/Wox.UpdateFeedGenerator/Wox.UpdateFeedGenerator.csproj
index cc61dc165d..b4f7c27f2d 100644
--- a/Wox.UpdateFeedGenerator/Wox.UpdateFeedGenerator.csproj
+++ b/Wox.UpdateFeedGenerator/Wox.UpdateFeedGenerator.csproj
@@ -9,9 +9,10 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Wox.UpdateFeedGenerator</RootNamespace>
     <AssemblyName>Wox.UpdateFeedGenerator</AssemblyName>
-    <TargetFrameworkVersion>v3.5</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\</SolutionDir>
+    <TargetFrameworkProfile />
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <PlatformTarget>AnyCPU</PlatformTarget>
@@ -22,6 +23,7 @@
     <DefineConstants>DEBUG;TRACE</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
+    <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <PlatformTarget>AnyCPU</PlatformTarget>
@@ -31,6 +33,7 @@
     <DefineConstants>TRACE</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
+    <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="NAppUpdate.Framework, Version=0.3.2.0, Culture=neutral, PublicKeyToken=d1f1d1f19f9e5a56, processorArchitecture=MSIL">
@@ -38,7 +41,7 @@
       <Private>True</Private>
     </Reference>
     <Reference Include="Newtonsoft.Json, Version=7.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
-      <HintPath>..\packages\Newtonsoft.Json.7.0.1\lib\net35\Newtonsoft.Json.dll</HintPath>
+      <HintPath>..\packages\Newtonsoft.Json.7.0.1\lib\net45\Newtonsoft.Json.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="System" />
@@ -60,7 +63,10 @@
     <Compile Include="Properties\AssemblyInfo.cs" />
   </ItemGroup>
   <ItemGroup>
-    <None Include="packages.config" />
+    <None Include="app.config" />
+    <None Include="packages.config">
+      <SubType>Designer</SubType>
+    </None>
     <None Include="README.md" />
   </ItemGroup>
   <ItemGroup>
diff --git a/Wox.UpdateFeedGenerator/app.config b/Wox.UpdateFeedGenerator/app.config
new file mode 100644
index 0000000000..ff99501038
--- /dev/null
+++ b/Wox.UpdateFeedGenerator/app.config
@@ -0,0 +1,3 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuration>
+<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5.2"/></startup></configuration>
diff --git a/Wox.UpdateFeedGenerator/packages.config b/Wox.UpdateFeedGenerator/packages.config
index 988cd2fc4a..aba1c6d1b0 100644
--- a/Wox.UpdateFeedGenerator/packages.config
+++ b/Wox.UpdateFeedGenerator/packages.config
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="NAppUpdate.Framework" version="0.3.2.0" targetFramework="net35" />
-  <package id="Newtonsoft.Json" version="7.0.1" targetFramework="net35" />
+  <package id="NAppUpdate.Framework" version="0.3.2.0" targetFramework="net452" />
+  <package id="Newtonsoft.Json" version="7.0.1" targetFramework="net452" />
 </packages>
\ No newline at end of file
diff --git a/Wox/ResultPanel.xaml b/Wox/ResultPanel.xaml
index 83e3f4b0e3..6abd51faec 100644
--- a/Wox/ResultPanel.xaml
+++ b/Wox/ResultPanel.xaml
@@ -7,44 +7,82 @@
              xmlns:converters="clr-namespace:Wox.Converters"
              mc:Ignorable="d" d:DesignWidth="100" d:DesignHeight="100">
 
-    <ListBox x:Name="lbResults" MaxHeight="{Binding ElementName=Results, Path=MaxResultsToShow}" HorizontalContentAlignment="Stretch" PreviewMouseDown="LbResults_OnPreviewMouseDown" Style="{DynamicResource BaseListboxStyle}" SelectionChanged ="lbResults_SelectionChanged"  Focusable="False"  KeyboardNavigation.DirectionalNavigation="Cycle" SelectionMode="Single" VirtualizingStackPanel.IsVirtualizing="True" VirtualizingStackPanel.VirtualizationMode="Standard">
-        <ListBox.Resources>
-            <!--SelectedItem with focus-->
-            <SolidColorBrush x:Key="{x:Static SystemColors.HighlightBrushKey}" Color="{DynamicResource ItemSelectedBackgroundColor}"/>
-            <!--SelectedItem without focus-->
-            <SolidColorBrush x:Key="{x:Static SystemColors.ControlBrushKey}" Color="{DynamicResource ItemSelectedBackgroundColor}"/>
-        </ListBox.Resources>
+    <ListBox x:Name="lbResults" MaxHeight="{Binding ElementName=Results, Path=MaxResultsToShow}"
+             HorizontalContentAlignment="Stretch" PreviewMouseDown="LbResults_OnPreviewMouseDown"
+             Style="{DynamicResource BaseListboxStyle}" SelectionChanged="lbResults_SelectionChanged" Focusable="False"
+             KeyboardNavigation.DirectionalNavigation="Cycle" SelectionMode="Single"
+             VirtualizingStackPanel.IsVirtualizing="True" VirtualizingStackPanel.VirtualizationMode="Standard">
         <ListBox.ItemTemplate>
             <DataTemplate>
                 <!-- a result item height is 50 including margin -->
-                <Grid HorizontalAlignment="Stretch" Height="40" VerticalAlignment="Stretch" Margin="5" Cursor="Hand">
+                <Grid HorizontalAlignment="Stretch" Height="40" VerticalAlignment="Stretch" Margin="5"
+                      Cursor="Hand">
                     <Grid.Resources>
                         <converters:ImagePathConverter x:Key="ImageConverter" />
                     </Grid.Resources>
                     <Grid.ColumnDefinitions>
-                        <ColumnDefinition Width="32"></ColumnDefinition>
-                        <ColumnDefinition/>
+                        <ColumnDefinition Width="32" />
+                        <ColumnDefinition />
                         <ColumnDefinition Width="0" />
                     </Grid.ColumnDefinitions>
-                    <Image x:Name="imgIco" Width="32" Height="32" HorizontalAlignment="Left" Source="{Binding FullIcoPath,Converter={StaticResource ImageConverter},IsAsync=True}" >
-                    </Image>
+                    <Image x:Name="imgIco" Width="32" Height="32" HorizontalAlignment="Left"
+                           Source="{Binding FullIcoPath,Converter={StaticResource ImageConverter},IsAsync=True}" />
                     <Grid Margin="5 0 5 0" Grid.Column="1" HorizontalAlignment="Stretch">
                         <Grid.RowDefinitions>
-                            <RowDefinition></RowDefinition>
-                            <RowDefinition Height="Auto" x:Name="SubTitleRowDefinition"></RowDefinition>
+                            <RowDefinition />
+                            <RowDefinition Height="Auto" x:Name="SubTitleRowDefinition" />
                         </Grid.RowDefinitions>
-                        <TextBlock Style="{DynamicResource ItemTitleStyle}" DockPanel.Dock="Left" VerticalAlignment="Center" ToolTip="{Binding Title}" x:Name="tbTitle" Text="{Binding Title}"></TextBlock>
-                        <TextBlock Style="{DynamicResource ItemSubTitleStyle}" ToolTip="{Binding SubTitle}" Visibility="{Binding SubTitle, Converter={converters:StringNullOrEmptyToVisibilityConverter}}" Grid.Row="1" x:Name="tbSubTitle" Text="{Binding SubTitle}"></TextBlock>
+                        <TextBlock Style="{DynamicResource ItemTitleStyle}" DockPanel.Dock="Left"
+                                   VerticalAlignment="Center" ToolTip="{Binding Title}" x:Name="tbTitle"
+                                   Text="{Binding Title}" />
+                        <TextBlock Style="{DynamicResource ItemSubTitleStyle}" ToolTip="{Binding SubTitle}"
+                                   Visibility="{Binding SubTitle, Converter={converters:StringNullOrEmptyToVisibilityConverter}}"
+                                   Grid.Row="1" x:Name="tbSubTitle" Text="{Binding SubTitle}" />
                     </Grid>
-                    <TextBlock Grid.Column="2" x:Name="tbItemNumber" Style="{DynamicResource ItemNumberStyle}" Text="9"></TextBlock>
+                    <TextBlock Grid.Column="2" x:Name="tbItemNumber" Style="{DynamicResource ItemNumberStyle}" Text="9"/>
                 </Grid>
                 <DataTemplate.Triggers>
-                    <DataTrigger Binding="{Binding RelativeSource={RelativeSource Mode=FindAncestor, AncestorType={x:Type ListBoxItem}}, Path=IsSelected}" Value="True">
-                        <Setter TargetName="tbTitle" Property="Style" Value="{DynamicResource ItemTitleSelectedStyle}"/>
-                        <Setter TargetName="tbSubTitle" Property="Style" Value="{DynamicResource ItemSubTitleSelectedStyle}"/>
+                    <DataTrigger
+                        Binding="{Binding RelativeSource={RelativeSource Mode=FindAncestor, AncestorType={x:Type ListBoxItem}}, Path=IsSelected}"
+                        Value="True">
+                        <Setter TargetName="tbTitle" Property="Style" Value="{DynamicResource ItemTitleSelectedStyle}" />
+                        <Setter TargetName="tbSubTitle" Property="Style"
+                                Value="{DynamicResource ItemSubTitleSelectedStyle}" />
                     </DataTrigger>
                 </DataTemplate.Triggers>
             </DataTemplate>
         </ListBox.ItemTemplate>
+        <!--http://stackoverflow.com/questions/16819577/setting-background-color-or-wpf-4-0-listbox-windows-8/#16820062-->
+        <ListBox.ItemContainerStyle>
+            <Style TargetType="{x:Type ListBoxItem}">
+                <Setter Property="Template">
+                    <Setter.Value>
+                        <ControlTemplate TargetType="{x:Type ListBoxItem}">
+                            <Border x:Name="Bd"
+                                    Background="{TemplateBinding Background}"
+                                    BorderBrush="{TemplateBinding BorderBrush}"
+                                    BorderThickness="{TemplateBinding BorderThickness}"
+                                    Padding="{TemplateBinding Padding}"
+                                    SnapsToDevicePixels="True">
+                                <ContentPresenter HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
+                                                  VerticalAlignment="{TemplateBinding VerticalContentAlignment}"
+                                                  Content="{TemplateBinding Content}"
+                                                  ContentStringFormat="{TemplateBinding ContentStringFormat}"
+                                                  ContentTemplate="{TemplateBinding ContentTemplate}"
+                                                  SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" />
+                            </Border>
+                            <ControlTemplate.Triggers>
+                                <Trigger Property="IsSelected" Value="True">
+                                    <Setter TargetName="Bd" Property="Background"
+                                            Value="{DynamicResource ItemSelectedBackgroundColor}" />
+                                    <Setter TargetName="Bd" Property="BorderBrush"
+                                            Value="{DynamicResource ItemSelectedBackgroundColor}" />
+                                </Trigger>
+                            </ControlTemplate.Triggers>
+                        </ControlTemplate>
+                    </Setter.Value>
+                </Setter>
+            </Style>
+        </ListBox.ItemContainerStyle>
     </ListBox>
 </UserControl>
\ No newline at end of file
diff --git a/Wox/ResultPanel.xaml.cs b/Wox/ResultPanel.xaml.cs
index 121ee9b852..534a561c97 100644
--- a/Wox/ResultPanel.xaml.cs
+++ b/Wox/ResultPanel.xaml.cs
@@ -60,14 +60,15 @@ namespace Wox
         {
             lock (_resultsUpdateLock)
             {
-                var resultCopy = _results.ToList();
-                var oldResults = resultCopy.Where(r => r.PluginID == resultId).ToList();
+                // todo use async to do new result calculation
+                var resultsCopy = _results.ToList();
+                var oldResults = resultsCopy.Where(r => r.PluginID == resultId).ToList();
                 // intersection of A (old results) and B (new newResults)
                 var intersection = oldResults.Intersect(newResults).ToList();
                 // remove result of relative complement of B in A
                 foreach (var result in oldResults.Except(intersection))
                 {
-                    resultCopy.Remove(result);
+                    resultsCopy.Remove(result);
                 }
 
                 // update scores
@@ -80,31 +81,31 @@ namespace Wox
                 }
 
                 // update index for result in intersection of A and B
-                foreach (var result in intersection)
+                foreach (var commonResult in intersection)
                 {
-                    int oldIndex = resultCopy.IndexOf(result);
-                    int oldScore = resultCopy[oldIndex].Score;
-                    if (result.Score != oldScore)
+                    int oldIndex = resultsCopy.IndexOf(commonResult);
+                    int oldScore = resultsCopy[oldIndex].Score;
+                    int newScore = newResults[newResults.IndexOf(commonResult)].Score;
+                    if (newScore != oldScore)
                     {
-                        int newIndex = InsertIndexOf(result.Score, resultCopy);
-                        if (newIndex != oldIndex)
-                        {
-                            var item = resultCopy[oldIndex];
-                            resultCopy.RemoveAt(oldIndex);
-                            resultCopy.Insert(newIndex, item);
-                        }
+                        var oldResult = resultsCopy[oldIndex];
+                        oldResult.Score = newScore;
+                        resultsCopy.RemoveAt(oldIndex);
+                        int newIndex = InsertIndexOf(newScore, resultsCopy);
+                        resultsCopy.Insert(newIndex, oldResult);
+
                     }
                 }
 
                 // insert result in relative complement of A in B
                 foreach (var result in newResults.Except(intersection))
                 {
-                    int newIndex = InsertIndexOf(result.Score, resultCopy);
-                    resultCopy.Insert(newIndex, result);
+                    int newIndex = InsertIndexOf(result.Score, resultsCopy);
+                    resultsCopy.Insert(newIndex, result);
                 }
 
                 // update UI in one run, so it can avoid UI flickering
-                _results.Update(resultCopy);
+                _results.Update(resultsCopy);
 
                 lbResults.Margin = lbResults.Items.Count > 0 ? new Thickness { Top = 8 } : new Thickness { Top = 0 };
                 SelectFirst();
diff --git a/Wox/Themes/BlurBlack.xaml b/Wox/Themes/BlurBlack.xaml
index dc1c5ec540..ebd1ef0df7 100644
--- a/Wox/Themes/BlurBlack.xaml
+++ b/Wox/Themes/BlurBlack.xaml
@@ -46,7 +46,7 @@
     <Style x:Key="ItemSubTitleSelectedStyle" BasedOn="{StaticResource BaseItemSubTitleSelectedStyle}" TargetType="{x:Type TextBlock}" >
         <Setter Property="Foreground" Value="#FFFFFFFF"/>
     </Style>
-    <Color x:Key="ItemSelectedBackgroundColor">#356ef3</Color>
+    <SolidColorBrush x:Key="ItemSelectedBackgroundColor">#356ef3</SolidColorBrush>
 
     <!-- button style in the middle of the scrollbar -->
     <Style x:Key="ThumbStyle" BasedOn="{StaticResource BaseThumbStyle}" TargetType="{x:Type Thumb}">
diff --git a/Wox/Themes/BlurWhite.xaml b/Wox/Themes/BlurWhite.xaml
index f7dbaceab5..4c52ee4d39 100644
--- a/Wox/Themes/BlurWhite.xaml
+++ b/Wox/Themes/BlurWhite.xaml
@@ -46,7 +46,7 @@
     <Style x:Key="ItemSubTitleSelectedStyle" BasedOn="{StaticResource BaseItemSubTitleSelectedStyle}" TargetType="{x:Type TextBlock}" >
         <Setter Property="Foreground" Value="#FFFFFFFF"/>
     </Style>
-    <Color x:Key="ItemSelectedBackgroundColor">#356ef3</Color>
+    <SolidColorBrush x:Key="ItemSelectedBackgroundColor">#356ef3</SolidColorBrush>
 
     <!-- button style in the middle of the scrollbar -->
     <Style x:Key="ThumbStyle" BasedOn="{StaticResource BaseThumbStyle}" TargetType="{x:Type Thumb}">
diff --git a/Wox/Themes/Dark.xaml b/Wox/Themes/Dark.xaml
index 1b3d31f509..9ef1609b2b 100644
--- a/Wox/Themes/Dark.xaml
+++ b/Wox/Themes/Dark.xaml
@@ -28,7 +28,7 @@
     </Style>
     <Style x:Key="ItemSubTitleSelectedStyle" BasedOn="{StaticResource BaseItemSubTitleSelectedStyle}" TargetType="{x:Type TextBlock}" >
     </Style>
-    <Color x:Key="ItemSelectedBackgroundColor">#4F6180</Color>
+    <SolidColorBrush x:Key="ItemSelectedBackgroundColor">#4F6180</SolidColorBrush>
 
     <!-- button style in the middle of the scrollbar -->
     <Style x:Key="ThumbStyle" BasedOn="{StaticResource BaseThumbStyle}" TargetType="{x:Type Thumb}">
diff --git a/Wox/Themes/Gray.xaml b/Wox/Themes/Gray.xaml
index c1246a6ca4..9c862d8f63 100644
--- a/Wox/Themes/Gray.xaml
+++ b/Wox/Themes/Gray.xaml
@@ -33,7 +33,7 @@
     <Style x:Key="ItemSubTitleSelectedStyle" BasedOn="{StaticResource BaseItemSubTitleSelectedStyle}" TargetType="{x:Type TextBlock}">
         <Setter Property="Foreground" Value="#ffffff" />
     </Style>
-    <Color x:Key="ItemSelectedBackgroundColor">#00AAF6</Color>
+    <SolidColorBrush x:Key="ItemSelectedBackgroundColor">#00AAF6</SolidColorBrush>
     <Style x:Key="ThumbStyle" BasedOn="{StaticResource BaseThumbStyle}" TargetType="{x:Type Thumb}">
         <Setter Property="Template">
             <Setter.Value>
diff --git a/Wox/Themes/Light.xaml b/Wox/Themes/Light.xaml
index f10fad2419..292ed475a4 100644
--- a/Wox/Themes/Light.xaml
+++ b/Wox/Themes/Light.xaml
@@ -32,7 +32,7 @@
     <Style x:Key="ItemSubTitleSelectedStyle" BasedOn="{StaticResource BaseItemSubTitleSelectedStyle}" TargetType="{x:Type TextBlock}">
         <Setter Property="Foreground" Value="#F6F6FF" />
     </Style>
-    <Color x:Key="ItemSelectedBackgroundColor">#3875D7</Color>
+    <SolidColorBrush x:Key="ItemSelectedBackgroundColor">#3875D7</SolidColorBrush>
 
     <!-- button style in the middle of the scrollbar -->
     <Style x:Key="ThumbStyle" BasedOn="{StaticResource BaseThumbStyle}" TargetType="{x:Type Thumb}">
diff --git a/Wox/Themes/Metro Server.xaml b/Wox/Themes/Metro Server.xaml
index 3f22014ca1..832134f9ac 100644
--- a/Wox/Themes/Metro Server.xaml	
+++ b/Wox/Themes/Metro Server.xaml	
@@ -25,7 +25,7 @@
 	<Style x:Key="ItemSubTitleSelectedStyle" BasedOn="{StaticResource BaseItemSubTitleSelectedStyle}" TargetType="{x:Type TextBlock}">
 		<Setter Property="Foreground" Value="#c2c2c2" />
 	</Style>
-	<Color x:Key="ItemSelectedBackgroundColor">#006ac1</Color>
+    <SolidColorBrush x:Key="ItemSelectedBackgroundColor">#006ac1</SolidColorBrush>
 	<Style x:Key="ThumbStyle" BasedOn="{StaticResource BaseThumbStyle}" TargetType="{x:Type Thumb}">
 	</Style>
 	<Style x:Key="ScrollBarStyle" BasedOn="{StaticResource BaseScrollBarStyle}" TargetType="{x:Type ScrollBar}">
diff --git a/Wox/Themes/Pink.xaml b/Wox/Themes/Pink.xaml
index a7b685831c..462fb8be6d 100644
--- a/Wox/Themes/Pink.xaml
+++ b/Wox/Themes/Pink.xaml
@@ -24,7 +24,7 @@
     <Style x:Key="ItemSubTitleSelectedStyle" BasedOn="{StaticResource BaseItemSubTitleSelectedStyle}" TargetType="{x:Type TextBlock}">
         <Setter Property="Foreground" Value="#c2c2c2" />
     </Style>
-    <Color x:Key="ItemSelectedBackgroundColor">#cc1081</Color>
+    <SolidColorBrush x:Key="ItemSelectedBackgroundColor">#cc1081</SolidColorBrush>
     <Style x:Key="ThumbStyle" BasedOn="{StaticResource BaseThumbStyle}" TargetType="{x:Type Thumb}"></Style>
     <Style x:Key="ScrollBarStyle" BasedOn="{StaticResource BaseScrollBarStyle}" TargetType="{x:Type ScrollBar}"></Style>
 </ResourceDictionary>
\ No newline at end of file
diff --git a/Wox/Wox.csproj b/Wox/Wox.csproj
index 998a8f21a4..52f54db55c 100644
--- a/Wox/Wox.csproj
+++ b/Wox/Wox.csproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Wox</RootNamespace>
     <AssemblyName>Wox</AssemblyName>
-    <TargetFrameworkVersion>v3.5</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <ProjectTypeGuids>{60dc8134-eba5-43b8-bcc9-bb4bc16c2548};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
     <WarningLevel>4</WarningLevel>
@@ -61,11 +61,11 @@
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="Exceptionless, Version=1.5.2121.0, Culture=neutral, PublicKeyToken=fc181f0a46f65747, processorArchitecture=MSIL">
-      <HintPath>..\packages\Exceptionless.1.5.2121\lib\net35\Exceptionless.dll</HintPath>
+      <HintPath>..\packages\Exceptionless.1.5.2121\lib\net45\Exceptionless.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="Exceptionless.Models, Version=1.5.2121.0, Culture=neutral, PublicKeyToken=fc181f0a46f65747, processorArchitecture=MSIL">
-      <HintPath>..\packages\Exceptionless.1.5.2121\lib\net35\Exceptionless.Models.dll</HintPath>
+      <HintPath>..\packages\Exceptionless.1.5.2121\lib\net45\Exceptionless.Models.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="ICSharpCode.SharpZipLib, Version=0.86.0.518, Culture=neutral, PublicKeyToken=1b03e6acf1164f73, processorArchitecture=MSIL">
@@ -77,7 +77,7 @@
       <Private>True</Private>
     </Reference>
     <Reference Include="Newtonsoft.Json, Version=7.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
-      <HintPath>..\packages\Newtonsoft.Json.7.0.1\lib\net35\Newtonsoft.Json.dll</HintPath>
+      <HintPath>..\packages\Newtonsoft.Json.7.0.1\lib\net45\Newtonsoft.Json.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="NHotkey, Version=1.2.1.0, Culture=neutral, processorArchitecture=MSIL">
@@ -98,6 +98,7 @@
     <Reference Include="System.Printing" />
     <Reference Include="System.Runtime.Remoting" />
     <Reference Include="System.Windows.Forms" />
+    <Reference Include="System.Xaml" />
     <Reference Include="System.Xml" />
     <Reference Include="System.Core" />
     <Reference Include="System.Xml.Linq" />
diff --git a/Wox/packages.config b/Wox/packages.config
index 5dbff92493..c9c320e58b 100644
--- a/Wox/packages.config
+++ b/Wox/packages.config
@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Exceptionless" version="1.5.2121" targetFramework="net35" />
-  <package id="InputSimulator" version="1.0.4.0" targetFramework="net35" />
-  <package id="MarkdownSharp" version="1.13.0.0" targetFramework="net35" />
-  <package id="Newtonsoft.Json" version="7.0.1" targetFramework="net35" />
-  <package id="NHotkey" version="1.2.1" targetFramework="net35" />
-  <package id="NHotkey.Wpf" version="1.2.1" targetFramework="net35" />
-  <package id="SharpZipLib" version="0.86.0" targetFramework="net35" />
+  <package id="Exceptionless" version="1.5.2121" targetFramework="net452" />
+  <package id="InputSimulator" version="1.0.4.0" targetFramework="net452" />
+  <package id="MarkdownSharp" version="1.13.0.0" targetFramework="net452" />
+  <package id="Newtonsoft.Json" version="7.0.1" targetFramework="net452" />
+  <package id="NHotkey" version="1.2.1" targetFramework="net452" />
+  <package id="NHotkey.Wpf" version="1.2.1" targetFramework="net452" />
+  <package id="SharpZipLib" version="0.86.0" targetFramework="net452" />
 </packages>
\ No newline at end of file