1. Start-Run -gpedit.msc, User Configuration-Manage Touch Panel -windows Components-Task Scheduler-No drag, can be set to enable or disable, and restart the computer. You said that if there is no solution, it may not be restarted, and it must be restarted to take effect.

2. Right-click Properties-Start Menu in the bottom taskbar. Two options, Start Menu and Classic Start Menu, will appear. If you usually use the "Start Menu" (as above), then select "Customize" at the back, and multiple options will pop up. Select ". If you usually use the "Classic Start" menu (below), click "Customize" at the back and directly find "Start Drag" as in the previous method.

3.iexplore is damaged and repaired by software, such as Super Rabbit, Optimizer, 360 and so on.

4. Poisoning, network disconnection and comprehensive scanning.

5. This may be caused by a Microsoft patch.

If all the above reasons are excluded, the landlord will reinstall it.