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Home / backup-recovery / Fix 'Port Already in Use' Error with Windows Defender Firewall - How to Set Up Windows Security Migration Tool Step by Step-How to Fix pnpm Install Frozen Lockfile Error

Fix 'Port Already in Use' Error with Windows Defender Firewall - How to Set Up Windows Security Migration Tool Step by Step-How to Fix pnpm Install Frozen Lockfile Error

2026-06-13 14:03:42backup-recovery
Fix 'Port Already in Use' Error with Windows Defender Firewall - How to Set Up Windows Security Migration Tool Step by Step-How to Fix pnpm Install Frozen Lockfile Error

Final checklist

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