
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...

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

You're trying to install Windows Search using an offline installer, but you get a 'configuration ...

When using command prompt tools like ping, telnet, or mstsc

Windows Security (formerly Windows Defender) can sometimes use more memory than expected, especia...

You boot into Safe Mode to fix a system problem, but the Command Prompt won't open—either it flas...

You open Task Manager and see Windows Defender (Microsoft Defender Antivirus) using 500 MB or mor...