zhizhu
Home / windows-fixes / How to Turn Off Windows Defender Real-Time Protection Permanently - Fix OpenVPN Permission Denied on Tun Device-Fix Error 0xc004c003 via Command Prompt

How to Turn Off Windows Defender Real-Time Protection Permanently - Fix OpenVPN Permission Denied on Tun Device-Fix Error 0xc004c003 via Command Prompt

2026-06-13 11:48:18windows-fixes
How to Turn Off Windows Defender Real-Time Protection Permanently - Fix OpenVPN Permission Denied on Tun Device-Fix Error 0xc004c003 via Command Prompt

Final checklist

  • Confirm that the same symptom is gone after a restart or refresh.
  • Keep the smallest working change and undo temporary diagnostic settings.