
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 your computer's CPU usage spikes after a Windows activation attempt, malware may be the culpri...

When Windows Search throws a "404 error" or returns no results, the search index is often corrupt...

If you see an error message about a Chrome log file—something like "Your browser is managed by yo...

You try to enable a Chrome extension, but Chrome shows an 'access denied' or 'blocked by admin' m...

If Windows Search stops returning results or the search box shows no results, a dependency confli...