
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...

After upgrading Windows, you may find that Windows Update stops working—errors like 0x80070002, 0...

You see the error "Sync module not found" with code 0x8004de40 when trying to use OneDrive. This ...

You click Remote Desktop Connection, the window flashes, and nothing happens. Or the service won’...

If you see 'service unavailable' when running commands in Command Prompt, and you don't have admi...

You open Microsoft Store and see a 502 Bad Gateway error. This usually means the...