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Fix PowerShell Execution Policy Error on Windows - How to Fix Port Already Allocated in Windows Defender-Resolve npm Install Node Version Error

2026-06-13 13:01:14windows-fixes
Fix PowerShell Execution Policy Error on Windows - How to Fix Port Already Allocated in Windows Defender-Resolve npm Install Node Version 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.