
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...

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

If you use Outlook with add-ins, scripts, or third-party integrations, you might see an error lik...

You open BitLocker Drive Encryption and see "BitLocker service is unavailable" or the service won...

When you try to clear the PowerShell cache (for example, deleting the $env:Temp\* fi...

If you're having trouble downloading apps, installing updates, or launching the Microsoft Store, ...

You open OneDrive and see a blank screen with error code 0x8004de40. This usually means the app c...