
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 see a 502 Bad Gateway error in the Microsoft Store, it usually means the server that con...

If you notice your PC slowing down and Task Manager shows SearchIndexer.exe using 50% or more CPU...

If you use a dual-boot system with Ubuntu and Windows, you may see a 'permission denied' error wh...

Windows Security (formerly Windows Defender) may sometimes get stuck on a loading screen or show ...

You open Windows Security, try to run a scan, or enable real-time protection, and get a message l...