
Windows Defender 502 Bad Gateway: Troubleshooting Checklist
If you see a 502 Bad Gateway error when opening Windows Security or trying to update Windows Defe...
Software troubleshooting desk

If you see a 502 Bad Gateway error when opening Windows Security or trying to update Windows Defe...

If Windows Defender won't start in Windows 10, you might see error messages like "Service did not...

If Chrome refuses to update on Windows 10, you might see errors like "Update failed" or "Couldn't...

If you see error 0x80070002 when checking for updates, and your network connection seems unstable...

If you've tried resetting PowerShell settings (e.g., via powershell -ResetCommand or...

When you see an error like "Authentication failed" or "Logon failure: ac...