Exit Registry Editor window Restart your PC Check if Windows Script Host Errors still occurs. Step 4: Perform a Clean Boot Process to fix Windows Script Host Error ...

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

Fix error Failed to register a VB Script dll, Reinstall or run Regsvr32.exe Vbscript.dll to self register, when you open Outlook or any other program.