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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All notesFix Windows Defender Not Opening Error 404
You try to open Windows Defender and get an error 404 – the page or resource can't be found. This...
Fix Windows Store Error 0x80073cf9 – Step-by-Step Guide
When you try to download or update an app from the Microsoft Store, you might see error 0x80073cf...
Fix OneDrive Not Signing In After Password Change
After changing your Microsoft account password, OneDrive may fail to sign in, showing errors like...
Fix Windows Defender Threat Service Permission Denied Error
When you open Windows Security and see "Threat service has stopped. Restart it now." or a "Permis...
Fix Microsoft Store Blank Screen with Error 0x80073cf0
You open the Microsoft Store and see a blank white screen, or an error code 0x80073cf0 appears. T...
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