Fix Windows Defender Invalid Configuration via Group Policy
When Windows Defender reports an "invalid configuration" error, it's often due to conflicting or ...
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View listHow to Reset DNS Cache for Microsoft Store Issues
If the Microsoft Store won't load, shows error 0x80131500, or downloads stall, a corrupted DNS ca...
How to Allow an App Through Windows Defender Firewall
If an app can't connect to the internet or network, Windows Defender Firewall may be blocking it....
Fix Windows Defender High Memory Usage in Windows 11
You open Task Manager and see Windows Defender (Microsoft Defender Antivirus) using 500 MB or mor...
Fix Outlook Token Expired After Password Change
After changing your account password, Outlook may display a 'token expired' or 'credentials neede...
How to Fix Outlook Backup Restore Failed Due to Corrupt PST
You try to restore an Outlook backup, but it fails with an error about a corrupt PST file. This i...
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