
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 open the Microsoft Store on Windows 10 and see “Service Unavailable” or “Something went ...

You try to connect to a remote PC via Remote Desktop, but the connection fails or times out. This...

When launching Chrome on Windows 10, you might see an error like “Your profile could not be opene...

When you see SSL certificate error: not trusted in Command Prompt, it usually means ...

When you see an SSL certificate error or a permission denied message in OneDrive, syncing stops. ...