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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2. Isolate
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View listFix Windows Defender Service Unavailable Error
You open Windows Security and see the message 'Windows Defender service unavailable' or 'Windows ...
How to Fix Microsoft Store Update Error 0x80073cf0
You're trying to update an app in the Microsoft Store and get error 0x80073cf0. This usually happ...
Windows Update Error 0x800f0922: Step-by-Step Fixes
Error 0x800f0922 usually appears when Windows Update fails to install a feature update or a .NET ...
Fix 'Cannot Open as Archive' Error for 7-Zip Password Files
You try to open a password-protected .7z or .zip file with 7-Zip and get the error 'Cannot open a...
How to Access a BitLocker-Locked External Drive That Won't Open
You plug in an external drive that you know is BitLocker-encrypted, but instead of the usual unlo...
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