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

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

When you try to connect to a remote PostgreSQL server and get connection refused, it...

You install or update a Chrome extension, click its icon, and nothing happens—or you see a vague ...

You run a malware scan in Windows Security (formerly Windows Defender) and notice your CPU fan ra...

If you see a notification that the Windows Security service has stopped working, your antivirus o...

You open Edge and see the profile sync status is paused with a message about no internet connecti...