Step 4: Perform a Clean Boot Process to fix Windows Script Host Error A clean boot boot process is a troubleshooting technique that you can do on your Windows 10 PC.

If you face error 0xc004f025, Access denied while activating a product key or extending its validity, you require administrative rights.

If you receive Can not find script file C:WINDOWSrun.vbs error at logon, then you need to edit USERINIT value or VBS key value in Registry.