
Windows Security 502 Bad Gateway: Troubleshooting Checklist
If you see a 502 Bad Gateway error when opening Windows Security, it usually means the app can't ...

If you see a 502 Bad Gateway error when opening Windows Security, it usually means the app can't ...

You open Task Manager and see Windows Security (the process is MsMpEng.exe) using 500 MB or more ...

If Chrome shows DNS_PROBE_FINISHED_NXDOMAIN right after you connected to a new W...

You try to scan a folder with Windows Defender and see 'Permission Denied' or 'Access Denied'. Th...

If Windows Search stops returning results or feels slow, you might be hitting the internal rate l...

You open Outlook and see the dreaded “Service Unavailable” error. This usually means Outlook can’...