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Windows Security 404 Error: Practical Troubleshooting Checklist

You open Windows Security and get a 404 error instead of the dashboard. This usually means the Se...

MySQL Connection Refused Authentication Error Checklist

You're trying to connect to a MySQL server and you get one of these: ERROR 2003 (HY000): Ca...

How to Restore Windows from Backup After a Failed Update
If a Windows update fails and leaves your system unbootable or unstable, restoring from a backup ...

How to Fix Windows Defender Slow Performance
Windows Defender (now Microsoft Defender Antivirus) can sometimes cause noticeable slowdowns, esp...

Fix Windows Defender File Locked During Scan
You run a Windows Defender scan and it reports that a file is locked and can't be scanned. This i...

How to Fix Microsoft Store Error 0x80072efd
When you see error 0x80072efd in Microsoft Store, it usually means the app can't reach its server...


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