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Fix 'Port Already Allocated' Error in Windows Defender - How to Resolve Error 0x80073712 Missing File-BitLocker Access Denied on System Volume: How to Fix

2026-06-13 21:03:10
Fix 'Port Already Allocated' Error in Windows Defender - How to Resolve Error 0x80073712 Missing File-BitLocker Access Denied on System Volume: How to Fix

Result check

  • Keep one change per test run so you know which step helped.
  • Undo temporary changes after the issue is confirmed.