Fix: Windows 10 Thumbnail Cache Keeps Deleting Itself at Boot
- Press the Windows key + R shortcut to open the Run command box. ...
- Navigate to the following registry location, and then double-click the Autorun DWORD value in the right pane. ...
- Change the value from 1 to 0, and then click OK. ...
- Now you have stopped Windows 10 from auto-deleting the Thumbnail cache on reboot.