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Fix Windows Update Connection Refused on Windows 11 - Windows Defender Real-Time Protection Keeps Enabling: Solutions-How to Fix Port Already Allocated in Windows Update

2026-06-13 13:21:07developer-tools
Fix Windows Update Connection Refused on Windows 11 - Windows Defender Real-Time Protection Keeps Enabling: Solutions-How to Fix Port Already Allocated in Windows Update

Final checklist

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