How to Fix Windows Defender That Keeps Stopping and Starting
If you notice Windows Defender (Microsoft Defender Antivirus) repeatedly stopping and restarting,...
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Browse labFixing Command Prompt Authentication Failed Access Denied
You're running a command in Command Prompt and get hit with "Authentication failed" or "Access de...
Remote Desktop Token Expired: How to Fix It
When you see a 'token expired' error in a remote desktop session, it usually means the authentica...
Fix Windows Security 502 Bad Gateway Sync Error
You open Windows Security and see a 502 Bad Gateway error when it tries to sync. This usually mea...
How to Fix Microsoft Store File Locked Error
If you see a 'file locked' error when trying to install or update an app from the Microsoft Store...
Fix Windows Activation Authentication Failed After Hardware Change
After upgrading your PC's motherboard, CPU, or other major hardware, Windows may display an activ...