diff --git a/src/common/ManagedCommon/Logger.cs b/src/common/ManagedCommon/Logger.cs
index 0db1614671..1173920340 100644
--- a/src/common/ManagedCommon/Logger.cs
+++ b/src/common/ManagedCommon/Logger.cs
@@ -26,6 +26,16 @@ namespace ManagedCommon
 
         private static readonly string Version = Assembly.GetExecutingAssembly().GetCustomAttribute<AssemblyFileVersionAttribute>()?.Version ?? "Unknown";
 
+        /// <summary>
+        /// Gets the path to the log directory for the current version of the app.
+        /// </summary>
+        public static string CurrentVersionLogDirectoryPath { get; private set; }
+
+        /// <summary>
+        /// Gets the path to the log directory for the app.
+        /// </summary>
+        public static string AppLogDirectoryPath { get; private set; }
+
         /// <summary>
         /// Initializes the logger and sets the path for logging.
         /// </summary>
@@ -42,6 +52,9 @@ namespace ManagedCommon
                 Directory.CreateDirectory(versionedPath);
             }
 
+            AppLogDirectoryPath = basePath;
+            CurrentVersionLogDirectoryPath = versionedPath;
+
             var logFilePath = Path.Combine(versionedPath, "Log_" + DateTime.Now.ToString(@"yyyy-MM-dd", CultureInfo.InvariantCulture) + ".log");
 
             Trace.Listeners.Add(new TextWriterTraceListener(logFilePath));
diff --git a/src/modules/cmdpal/Microsoft.CmdPal.UI/App.xaml.cs b/src/modules/cmdpal/Microsoft.CmdPal.UI/App.xaml.cs
index 9ba41a08fb..917716be19 100644
--- a/src/modules/cmdpal/Microsoft.CmdPal.UI/App.xaml.cs
+++ b/src/modules/cmdpal/Microsoft.CmdPal.UI/App.xaml.cs
@@ -40,6 +40,8 @@ namespace Microsoft.CmdPal.UI;
 /// </summary>
 public partial class App : Application
 {
+    private readonly GlobalErrorHandler _globalErrorHandler = new();
+
     /// <summary>
     /// Gets the current <see cref="App"/> instance in use.
     /// </summary>
@@ -61,6 +63,10 @@ public partial class App : Application
     /// </summary>
     public App()
     {
+#if !CMDPAL_DISABLE_GLOBAL_ERROR_HANDLER
+        _globalErrorHandler.Register(this);
+#endif
+
         Services = ConfigureServices();
 
         this.InitializeComponent();
diff --git a/src/modules/cmdpal/Microsoft.CmdPal.UI/Helpers/GlobalErrorHandler.cs b/src/modules/cmdpal/Microsoft.CmdPal.UI/Helpers/GlobalErrorHandler.cs
new file mode 100644
index 0000000000..0b55b03615
--- /dev/null
+++ b/src/modules/cmdpal/Microsoft.CmdPal.UI/Helpers/GlobalErrorHandler.cs
@@ -0,0 +1,134 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using ManagedCommon;
+using Microsoft.CmdPal.Core.Common.Helpers;
+using Windows.Win32;
+using Windows.Win32.Foundation;
+using Windows.Win32.UI.WindowsAndMessaging;
+using SystemUnhandledExceptionEventArgs = System.UnhandledExceptionEventArgs;
+using XamlUnhandledExceptionEventArgs = Microsoft.UI.Xaml.UnhandledExceptionEventArgs;
+
+namespace Microsoft.CmdPal.UI.Helpers;
+
+/// <summary>
+/// Global error handler for Command Palette.
+/// </summary>
+internal sealed partial class GlobalErrorHandler
+{
+    // GlobalErrorHandler is designed to be self-contained; it can be registered and invoked before a service provider is available.
+    internal void Register(App app)
+    {
+        ArgumentNullException.ThrowIfNull(app);
+
+        app.UnhandledException += App_UnhandledException;
+        TaskScheduler.UnobservedTaskException += TaskScheduler_UnobservedTaskException;
+        AppDomain.CurrentDomain.UnhandledException += CurrentDomain_UnhandledException;
+    }
+
+    private void App_UnhandledException(object sender, XamlUnhandledExceptionEventArgs e)
+    {
+        // Exceptions thrown on the main UI thread are handled here.
+        if (e.Exception != null)
+        {
+            HandleException(e.Exception, Context.MainThreadException);
+        }
+    }
+
+    private void CurrentDomain_UnhandledException(object sender, SystemUnhandledExceptionEventArgs e)
+    {
+        // Exceptions thrown on background threads are handled here.
+        if (e.ExceptionObject is Exception ex)
+        {
+            HandleException(ex, Context.AppDomainUnhandledException);
+        }
+    }
+
+    private void TaskScheduler_UnobservedTaskException(object? sender, UnobservedTaskExceptionEventArgs e)
+    {
+        // This event is raised only when a faulted Task is garbage-collected
+        // without its exception being observed. It is NOT raised immediately
+        // when the Task faults; timing depends on GC finalization.
+        e.SetObserved();
+        HandleException(e.Exception, Context.UnobservedTaskException, isRecoverable: true);
+    }
+
+    private void HandleException(Exception ex, Context context, bool isRecoverable = false)
+    {
+        Logger.LogError($"Unhandled exception detected ({context})", ex);
+
+        if (context == Context.MainThreadException)
+        {
+            var error = DiagnosticsHelper.BuildExceptionMessage(ex, null);
+            var report = $"""
+                          This is an error report generated by Windows Command Palette.
+                          If you are seeing this message, it means the application has encountered an unexpected issue.
+                          You can help us fix it by filing a report at https://aka.ms/powerToysReportBug.
+                          {error}
+                          """;
+
+            StoreReport(report, storeOnDesktop: false);
+
+            PInvoke.MessageBox(
+                HWND.Null,
+                "Command Palette has encountered a fatal error and must close.\n\nAn error report has been saved to your desktop.",
+                "Unhandled Error",
+                MESSAGEBOX_STYLE.MB_ICONERROR);
+        }
+    }
+
+    private static string? StoreReport(string report, bool storeOnDesktop)
+    {
+        // Generate a unique name for the report file; include timestamp and a random zero-padded number to avoid collisions
+        // in case of crash storm.
+        var name = FormattableString.Invariant($"CmdPal_ErrorReport_{DateTime.Now:yyyy-MM-dd_HH-mm-ss}_{Random.Shared.Next(100000):D5}.log");
+
+        // Always store a copy in log directory, this way it is available for Bug Report Tool
+        string? reportPath = null;
+        if (Logger.CurrentVersionLogDirectoryPath != null)
+        {
+            reportPath = Save(report, name, static () => Logger.CurrentVersionLogDirectoryPath);
+        }
+
+        // Optionally store a copy on the desktop for user (in)convenience
+        if (storeOnDesktop)
+        {
+            var path = Save(report, name, static () => Environment.GetFolderPath(Environment.SpecialFolder.DesktopDirectory));
+
+            // show the desktop copy if both succeeded
+            if (path != null)
+            {
+                reportPath = path;
+            }
+        }
+
+        return reportPath;
+
+        static string? Save(string reportContent, string reportFileName, Func<string> directory)
+        {
+            try
+            {
+                var logDirectory = directory();
+                Directory.CreateDirectory(logDirectory);
+                var reportFilePath = Path.Combine(logDirectory, reportFileName);
+                File.WriteAllText(reportFilePath, reportContent);
+                return reportFilePath;
+            }
+            catch (Exception ex)
+            {
+                Logger.LogError("Failed to store exception report", ex);
+                return null;
+            }
+        }
+    }
+
+    private enum Context
+    {
+        Unknown = 0,
+        MainThreadException,
+        BackgroundThreadException,
+        UnobservedTaskException,
+        AppDomainUnhandledException,
+    }
+}