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Fix Windows Security Port Already Allocated Error - Windows Defender Multi-Drive Scheduled Scan Setup-Resolve Outlook 365 Certificate Warning in Windows

2026-06-13 17:35:25developer-tools
Fix Windows Security Port Already Allocated Error - Windows Defender Multi-Drive Scheduled Scan Setup-Resolve Outlook 365 Certificate Warning in Windows

Final checklist

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