Fix Windows Defender Authentication Failed Error in Windows 10
You see a message like 'Windows Defender Authentication Failed' when trying to open or update Win...
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View listFix Windows Update Error 0x80070643 on Windows 10
When running Windows Update on Windows 10, error 0x80070643 typically appears with the message "T...
How to Install Windows Security on Ubuntu (via Virtual Machine or Wine)
If you're looking to run Windows Security (Microsoft Defender) on Ubuntu, you've hit a fundamenta...
Fix Windows Security Connection Refused via Group Policy
You open Windows Security and see 'Connection refused' or 'Something went wrong.' Often this happ...
Windows Defender Exclusions for Gaming Performance
If your games stutter, take long to load, or feel sluggish, Windows Defender might be scanning ga...
Enable Windows Defender After Disabling Third-Party Antivirus
If you've disabled or uninstalled a third-party antivirus and now find Windows Defender is not au...
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