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Fix Windows Update Error: Port Already Allocated - Windows Defender Update Fails with 0x80240034-BitLocker Setup Failed on New SSD: Common Fixes

2026-06-14 01:50:38cloud-software
Fix Windows Update Error: Port Already Allocated - Windows Defender Update Fails with 0x80240034-BitLocker Setup Failed on New SSD: Common 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.