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Fixing 'Access Denied' Errors When Running PowerShell Scripts - How to Avoid npm EACCES Error on Linux-How to Fix Port Already in Use by Windows Defender Firewall

2026-06-13 19:24:58
Fixing 'Access Denied' Errors When Running PowerShell Scripts - How to Avoid npm EACCES Error on Linux-How to Fix Port Already in Use by Windows Defender Firewall

Result check

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