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

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

You sign in to Windows, but Windows Defender keeps asking for credentials in a loop. This guide c...

You open the Microsoft Store, and it just sits there on a blank or spinning loading screen. This ...

When a scheduled task fails with an error like "The process cannot access the file because it is ...

You set Chrome to open a specific profile at startup, but now it just opens the default profile o...

You open Outlook, click Send/Receive, and wait. And wait. Emails trickle in or won't go out. This...