
Windows Defender Connection Refused: Troubleshooting Checklist
You open Windows Security and see "Connection refused" or "Something went wrong. Try reopening Wi...
Software troubleshooting desk

You open Windows Security and see "Connection refused" or "Something went wrong. Try reopening Wi...

You open Chrome and see a warning: sync is paused or disabled because of a profile version mismat...

If you see a "504 Gateway Timeout" error when Windows Defender tries to sync, it usually means th...

You push a workflow file and see a red X—YAML syntax error. The action doesn't run. Here's how to...

You type MpCmdRun.exe -Scan -ScanType 2 or another Defender command in Command Promp...

You try to sign in to Microsoft Teams and get an error saying the configuration is invalid. The a...