
Windows Defender Access Denied Troubleshooting Checklist
You try to open Windows Defender or run a scan and get an "Access Denied" message. This usually m...
Software troubleshooting desk

You try to open Windows Defender or run a scan and get an "Access Denied" message. This usually m...

When Windows Defender locks a file, you often see errors like 'Access denied', 'File in use', or ...

You insert your smart card, enter your PIN, and Windows Security reports “Authentication failed.”...

If you see a BitLocker error about rate limits when trying to enable or manage encryption, the is...

You open Command Prompt and see an error like "Invalid configuration" or "Configuration system fa...

You plug in your external webcam, open Microsoft Teams, and the video feed stays black or shows t...