
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 ...

After a Windows update, you might see errors about a dependency conflict with Windows Defender. T...

If Windows Defender keeps crashing and restarting on your Windows 10 PC—showing error messages, d...

If you see a message that Windows Defender is not running or the security center shows it's off, ...

If Windows Security won't open, stays blank, or crashes on Windows 11, the problem is often a cor...

You're trying to connect to a PostgreSQL server via pgAdmin, but you get a "connection refused" e...