solution:
—— "1, start-run-type: regedit, and then press enter
——" 2, select "My Computer", and then click "File"-"Export"-any name point "Save". The purpose of this is to back up the registry to avoid timely recovery after misoperation. The recovery method is to find the file you just saved, double-click it, and then select "Allow Import".
—— 3. Select "My Computer", press F3, then enter "* *", click "Find Next", and then right-click the item and select "Delete".
—— "4, and then press F3-Delete until the prompt" No corresponding option found "is given.
—— "5, restart the computer to see if there is anything wrong with the system.
—— "Note, if there are other serious problems, please restore the registry.