The system cannot be dragged and dropped.

Today, I found that my system cannot be dragged and dropped. Baidu + Google is the solution. Here are some online methods.
(Method 1. Press ESC (several times in a row ).

Method 2. Start running and type gpedit. MSC Press enter. Double-click "Disable Drag and Drop" in the right window of "user configuration" Management touch board "Windows Components" Task Scheduler "and select" Not Configured "to restart the computer.

Method 3: Right-click the desktop taskbar-"properties"-"[start] menu". Two options are available: "[start] menu" and "classic [start] menu, if you are using the "[start] menu" (above), select "Custom" next to it. The "advanced" option is displayed, and the drop-down dialog box is displayed, find "Start drag-and-drop". If it is not checked, it will be checked. If it is checked, cancel the check first, click OK, enter again, and then click OK!

Method 4: Change the mouse .)!