
How to Enable Windows Defender After It Failed to Start
If Windows Defender won't start, you may see an error like "This app has been turned off" or "Win...
Software troubleshooting desk

If Windows Defender won't start, you may see an error like "This app has been turned off" or "Win...

You open Microsoft Teams and get a message like "Can't connect" or "DNS error." This usually mean...

You're trying to activate Windows, but you get a "permission denied" or "access denied" error. Th...

After a Microsoft Teams update, you might see persistent login loops, blank screens, slow loading...

If you see a 'OneDrive sync invalid configuration' error, it usually means the app can't read its...

When Command Prompt fails to sync files or settings, you might see errors like 'Sync conflicts de...