How to Fix Windows Security Connection Refused Error
You open Windows Security and see a "Connection refused" error when trying to update virus defini...
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BrowseFix Windows Security Token Expired Error 0x80070520
You see error 0x80070520 with the message 'The security token has expired.' This usually happens ...
Fix Windows Defender Port Already Allocated in Windows 11
You start a program that needs a specific network port, but Windows 11 tells you the port is alre...
Fix Windows Update Version Mismatch Error
When you see a version mismatch error in Windows Update, it usually means the update files on you...
Fix Windows Defender Error 0x80070643 on macOS
If you see error 0x80070643 when installing or updating Windows Defender on a Mac (via Parallels,...
Windows Security Advanced Settings Checklist
You've likely opened Windows Security and noticed the advanced settings scattered across differen...
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