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How to Reinstall Windows Security App (Microsoft Defender)

If the Windows Security app (Microsoft Defender) is missing, crashing, or not opening, reinstalli...

Fix Git SSL Certificate Problem: Unable to Get Local Issuer

You try to clone or pull from a remote repository and get: fatal: unable to access 'htt...

Windows Security App Not Opening as Administrator: Fixes
When you try to open the Windows Security app and it fails to launch, often with no error message...

Cloudflare 521 Error: Troubleshooting and Fixes
When you see a 521 Web Server Is Down error, it means Cloudflare cannot establis...

Windows Defender Real-Time Protection Keeps Turning Off: Fixes
You notice the Windows Security icon in the system tray shows a yellow warning. Opening it reveal...

How to Force Enable Windows Defender Real-Time Protection
Windows Defender real-time protection sometimes gets disabled by group policies, third-party anti...


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