
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 ...

If you see a '504 Gateway Timeout' error when opening Windows Security or running a scan, Windows...

You run composer install or composer update and see something like:

If you're working with APIs that use OAuth 2.0, you've likely encountered an expired access token...

When you launch Google Chrome and see the error message "The profile module cannot be found" or "...

When you try to open Google Chrome and see an error message like "Permission denied" or a prompt ...