zhizhu
Home / developer-tools / Fix 'Port Already Allocated' Error in VS Code - Fix Windows Defender Version Mismatch After Update-Resolve BitLocker Error Code 0x8031004b

Fix 'Port Already Allocated' Error in VS Code - Fix Windows Defender Version Mismatch After Update-Resolve BitLocker Error Code 0x8031004b

2026-06-14 15:17:00developer-tools
Fix 'Port Already Allocated' Error in VS Code - Fix Windows Defender Version Mismatch After Update-Resolve BitLocker Error Code 0x8031004b

Final checklist

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