
Fix Windows Update Service Not Starting Due to Permission Denied
You click Start for the Windows Update service, and it fails with “Permission Denied” or error 5....
Software troubleshooting desk

You click Start for the Windows Update service, and it fails with “Permission Denied” or error 5....

You may see a Windows Defender error like 'Token expired' or 'The token is expired' in the Window...

If you see error 0x80070643 when updating Windows Defender, it usually means the update failed to...

You see “Windows activation failed due to blocked key” – it usually means the product key you’re ...

If Chrome keeps asking you to log into your Google account every time Windows 11 starts, you're s...

Windows Update error 0x80070005 usually means the update process lacks necessary permissions. Thi...