
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 set a connection timeout in PowerShell, but it doesn't seem to apply. The script hangs for mi...

If Windows Search returns a 502 Bad Gateway error, it's often because the search service is tryin...

After a Windows update, you might see that Windows Defender (now called Microsoft Defender Antivi...

You might be seeing blue screens, application crashes, or strange error messages. Corrupted syste...

You start a meeting, click Share, and nothing happens—or attendees see a black screen. This is a ...