
Windows Defender Service Troubleshooting Checklist
If Windows Defender won't start, won't update, or shows error messages like "Service stopped" or ...
Software troubleshooting desk

If Windows Defender won't start, won't update, or shows error messages like "Service stopped" or ...

If you're seeing a '502 Bad Gateway – Permission Denied' error when using Windows Defender (Micro...

You open Docker Desktop and it hangs on 'Docker Desktop is starting...' with a message that the D...

You run ipconfig /flushdns or arp -d in Command Prompt, but cached entr...

If Windows Search stops working or you see errors like “The service cannot be started” or “Port a...

You click a download link in Chrome, the browser freezes, and you see a "Not Responding" message....