
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...
Software troubleshooting desk

If the Windows Security app (Microsoft Defender) is missing, won’t open, or shows errors, reinsta...

If Windows Security won't open, shows errors, or you see "This app has been turned off" messages,...

If you see a yellow warning in Windows Security that says "Real-time protection is off" or it tur...

Windows Update can slow to a crawl for several reasons. Before assuming a hardware issue, run thr...

When installing or updating apps from the Microsoft Store, error code 0x80073cf3 typically appear...

When Windows Update fails to install updates and you see permission-related errors, it's often du...