FileNotFoundException
   在 System.Collections.Generic.Dictionary2`2.TryGetValue(TKey key, TValue& value)
   在 CommunityToolkit.Mvvm.Messaging.WeakReferenceMessenger.Unregister[TMessage,TToken](Object recipient, TToken token)
   在 CommunityToolkit.Mvvm.Messaging.IMessengerExtensions.Unregister[TMessage](IMessenger messenger, Object recipient)
   在 Quicker.View.TextWindow.yylBvCtBxd3(Object  , EventArgs  )
   在 System.EventHandler.Invoke(Object sender, EventArgs e)
   在 System.Windows.Window.OnClosed(EventArgs e)
   在 System.Windows.Window.WmDestroy()
   在 System.Windows.Window.WindowFilterMessage(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   在 System.Windows.Interop.HwndSource.PublicHooksFilterMessage(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   在 MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   在 MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   在 System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   在 System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)