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

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

When you click the Start menu or search bar and see 'connection refused', Windows Search is faili...

You try to update Windows Defender and see error 0x80070643. This usually means a Windows Update ...

When OneDrive shows error 0x8004de40 with the message “Sync service unavailable,” it usually mean...

If Windows Defender is using 30-50% CPU constantly, even when idle, it's usually due to aggressiv...

You see a 504 Gateway Timeout error when checking for Windows Updates. This usua...