diff --git a/Plugins/Wox.Plugin.Program/ProgramSources/AppPathsProgramSource.cs b/Plugins/Wox.Plugin.Program/ProgramSources/AppPathsProgramSource.cs
index 817f1e174f..6cec459bfc 100644
--- a/Plugins/Wox.Plugin.Program/ProgramSources/AppPathsProgramSource.cs
+++ b/Plugins/Wox.Plugin.Program/ProgramSources/AppPathsProgramSource.cs
@@ -38,7 +38,7 @@ namespace Wox.Plugin.Program.ProgramSources
                         using (var key = root.OpenSubKey(item))
                         {
                             string path = key.GetValue("") as string;
-                            if (path == null) continue;
+                            if (string.IsNullOrEmpty(path)) continue;
 
                             // fix path like this ""\"C:\\folder\\executable.exe\"""
                             const int begin = 0;
diff --git a/Wox.sln b/Wox.sln
index efad41543f..d50b7e3b37 100644
--- a/Wox.sln
+++ b/Wox.sln
@@ -62,9 +62,6 @@ EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Wox.Plugin.Everything", "Plugins\Wox.Plugin.Everything\Wox.Plugin.Everything.csproj", "{230AE83F-E92E-4E69-8355-426B305DA9C0}"
 EndProject
 Global
-	GlobalSection(Performance) = preSolution
-		HasPerformanceSessions = true
-	EndGlobalSection
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
 		Release|Any CPU = Release|Any CPU