Fix Windows Defender High Memory Usage in Windows 11
You open Task Manager and see Windows Defender (Microsoft Defender Antivirus) using 500 MB or mor...
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View listFix Windows Security Authentication Failed Event ID 4625
If you're seeing Event ID 4625 in Windows Security logs, it means an account failed to log on. Th...
Fix Windows Update 504 Gateway Timeout on Windows 10
If you see a 504 Gateway Timeout error when running Windows Update on Windows 10, it usually mean...
How to Fix Chrome ERR_TUNNEL_CONNECTION_FAILED
You're browsing in Chrome, and suddenly a page fails to load with the error ERR_TUNNEL_CO...
Fix Outlook Slow Search Not Working Properly
If Outlook search is slow or returns no results, the problem is often a corrupted search index, a...
Windows Security Connection Refused: Troubleshooting Checklist
When Windows Security reports a 'connection refused' error, it usually means the app can't reach ...
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