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Fix Windows Defender Proxy Error 0x80070422 - Troubleshooting Port Already Allocated Error in Microsoft Store-Windows Update Error 0x8024402c: Troubleshooting Checklist

2026-06-13 19:07:52developer-tools
Fix Windows Defender Proxy Error 0x80070422 - Troubleshooting Port Already Allocated Error in Microsoft Store-Windows Update Error 0x8024402c: Troubleshooting Checklist

Final checklist

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