DirectoryNotFoundException
   於 System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath)
   於 System.IO.FileSystemEnumerableIterator`1.CommonInit()
   於 System.IO.FileSystemEnumerableIterator`1..ctor(String path, String originalUserPath, String searchPattern, SearchOption searchOption, SearchResultHandler`1 resultHandler, Boolean checkHost)
   於 System.IO.DirectoryInfo.InternalGetFiles(String searchPattern, SearchOption searchOption)
   於 IntelliTools.Utilities.ClipboardHelper.CleanUpImages()
   於 IntelliTools.View.Clipboard.ClipboardHistory.TheWindow_Closed(Object sender, EventArgs e)
   於 System.EventHandler.Invoke(Object sender, EventArgs e)
   於 System.Windows.Window.OnClosed(EventArgs e)
   於 System.Windows.Window.WmDestroy()
   於 System.Windows.Window.WindowFilterMessage(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   於 System.Windows.Interop.HwndSource.PublicHooksFilterMessage(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   於 MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   於 MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   於 System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   於 System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)