diff --git a/QuickLook/App.xaml.cs b/QuickLook/App.xaml.cs
index b31a9ee..d46ea04 100644
--- a/QuickLook/App.xaml.cs
+++ b/QuickLook/App.xaml.cs
@@ -38,7 +38,8 @@ namespace QuickLook
         public static readonly string AppPath = Path.GetDirectoryName(AppFullPath);
         public static readonly bool Is64Bit = Environment.Is64BitProcess;
         public static readonly bool IsUWP = ProcessHelper.IsRunningAsUWP();
-        public static readonly bool IsWin10 = Environment.OSVersion.Version >= new Version(10, 0);
+        public static readonly bool IsWin11 = Environment.OSVersion.Version >= new Version(10, 0, 21996);
+        public static readonly bool IsWin10 = !IsWin11 && Environment.OSVersion.Version >= new Version(10, 0);
         public static readonly bool IsGPUInBlacklist = SystemHelper.IsGPUInBlacklist();
         public static readonly bool IsPortable = SettingHelper.IsPortableVersion();
 
diff --git a/QuickLook/ViewerWindow.xaml.cs b/QuickLook/ViewerWindow.xaml.cs
index da30b2a..9671616 100644
--- a/QuickLook/ViewerWindow.xaml.cs
+++ b/QuickLook/ViewerWindow.xaml.cs
@@ -105,6 +105,7 @@ namespace QuickLook
             if (SettingHelper.Get("UseTransparency", true)
                 && SystemParameters.IsGlassEnabled
                 && App.IsWin10
+                && !App.IsWin11
                 && !App.IsGPUInBlacklist
             )
                 WindowHelper.EnableBlur(this);