
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 ...

You might see error 0x800704cf when opening Windows Security or trying to update Windows Defender...

If Chrome is crashing, syncing incorrectly, or behaving oddly, the profile log file can give clue...

If you see errors like "security token expired" or "access denied" on a domain-joined Windows mac...

After a Windows update, the Microsoft Store may fail to open—clicking the icon does nothing, or i...

When you try to connect to a remote desktop and see an error like "The certificate is not from a ...