How to Reinstall the Windows Security App (Microsoft Defender)
If the Windows Security app (Microsoft Defender) is missing, won’t open, or shows errors, reinsta...
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View listFix Windows Activation After Hardware Change
If you recently upgraded your PC's motherboard, CPU, or hard drive and now see “Windows is not ac...
How to Fix Windows Update Stuck at 30% Migration
You're updating Windows and it gets stuck at 30% during the migration phase. This often happens w...
Windows 10 Activation Troubleshooting Checklist
When Windows 10 shows an activation error, the cause is usually a recent hardware change, a corru...
How to Fix Windows Security Error 0x80070422
You open Windows Security and get error 0x80070422, or see a message that the app can't start. Th...
Fix Command Prompt 404 Not Found Error
If you're seeing a '404 Not Found' error in Command Prompt, it usually means the file, command, o...
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