
Fix Windows Update Token Expired Permission Denied
If you see a Windows Update error saying "token expired" or "permission denied," it usually means...

If you see a Windows Update error saying "token expired" or "permission denied," it usually means...

You try to open Windows Defender Security Center or run a scan, but get an 'Access Denied' error....

If Windows Security (formerly Windows Defender) isn't starting automatically when you boot your P...

You open Windows Security and it just spins—loading forever. This is a known issue on Windows 10 ...

If you see a "504 Gateway Timeout" error in Windows Security while trying to run Windows Update, ...

You restart your PC to activate Windows, but the activation screen hangs on a spinning circle or ...