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Fix Windows Defender Real-Time Protection Access Denied - How to Fix Firefox Not Responding on Windows 10-Windows Defender Service Not Working in Windows 11: Fixes

2026-06-13 17:39:15office-tools
Fix Windows Defender Real-Time Protection Access Denied - How to Fix Firefox Not Responding on Windows 10-Windows Defender Service Not Working in Windows 11: Fixes

Final checklist

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