
Windows Activation 502 Bad Gateway: Troubleshooting Checklist
If you're seeing a '502 Bad Gateway' error when trying to activate Windows, the problem is usuall...
Software troubleshooting desk

If you're seeing a '502 Bad Gateway' error when trying to activate Windows, the problem is usuall...

You have a working internet connection—other sites load, email works—but OneDrive shows a sync er...

If you see a '404 Not Found' error when opening Windows Security (formerly Windows Defender), the...

You see the error 'Windows Update cannot connect to Microsoft servers' and updates won't download...

If you see a persistent “Activate Windows” watermark in the lower-right corner of your screen, yo...

You connect to MongoDB and get Authentication failed or Permission denied