How to Fix Authentication Failed in Command Prompt
When you see 'authentication failed' in Command Prompt, it usually means the system couldn't veri...
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Browse labFix Windows Defender Update Error 0x80070643
You try to update Windows Defender and see error 0x80070643. This usually means a Windows Update ...
Fix Command Prompt Crashing After Windows Update
After a recent Windows update, you might find that Command Prompt opens briefly and then closes i...
Checklist for Fixing Windows Defender Command Not Found
When you run Get-MpComputerStatus or Start-MpScan and see "The ...
Fix Windows Defender Not Starting Due to Dependency Conflict
If Windows Defender won't start and you see an error about a dependency service or group failed t...
Fix 'Port Already Allocated' Error in Microsoft Teams
When starting Microsoft Teams, you might see an error like "Port already allocated" or "The proce...