
Fix Windows Defender Token Expired Preventing Service Start
You see 'Token expired' in the Windows Defender event log or a notification that the service didn...
Software troubleshooting desk

You see 'Token expired' in the Windows Defender event log or a notification that the service didn...

You try to unlock a BitLocker drive, and Windows returns "Authentication failed. Permissi...

If the Windows Security app (Microsoft Defender) is missing, won’t open, or shows errors, reinsta...

When you run PowerShell commands in VS Code and see a permission denied error related to Set-Exec...

If you're seeing a 404 error in Chrome but the page loads fine in another browser, a misbehaving ...

If you see 'Access Denied' when trying to access the BitLocker-encrypted system volume (usually C...