Win32Exception: Invalid window handle --NativeErrorCode: 1400 StackTrace: at MS.Win32.UnsafeNativeMethods.GetMessageW(MSG& msg, HandleRef hWnd, Int32 uMsgFilterMin, Int32 uMsgFilterMax) at System.Windows.Threading.Dispatcher.GetMessage(MSG& msg, IntPtr hwnd, Int32 minMessage, Int32 maxMessage) at System.Windows.Threading.Dispatcher.PushFrameImpl(DispatcherFrame frame) at System.Windows.Application.RunDispatcher(Object ignore) at System.Windows.Application.RunInternal(Window window) at Quicker.App.Main()