windows 無法拖動文件

原因：未知

症狀：windows點任何文件，都無法拖動到其他地方

 解決方式：

來源：

https://answers.microsoft.com/en-us/windows/forum/all/drag-and-drop-stopped-working/b73e4938-ca25-420d-a822-f9025fd39090 

『When drag and drop doesn't work, left click a file in Windows Explorer or File Explorer, and keep the left click mouse button pressed. While the left click button is held down, press the Escape key on your keyboard, once. Release the left click mouse button. 』

隨便選一個文件，按下滑鼠左鍵不放，然後按幾次esc 再放開

然後..........就好了