
Fix Windows Defender Can't Connect After Update
After a Windows update, you might see an error that Windows Defender can't connect to the service...
Software troubleshooting desk

After a Windows update, you might see an error that Windows Defender can't connect to the service...

When Windows reports 'activation authentication failed' during activation, it usually means the s...

You open Windows Security and see the message: "Windows Security failed to start. Corrupted syste...

After performing a clean boot to troubleshoot system issues, you might see a 'path not found' err...

You're working on a web app or API, and you get a 502 Bad Gateway error. The browser just says '5...

You open the Services console (services.msc) to adjust the Microsoft Store startup type, but the ...