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Fix npm EACCES Error: Permission Denied on node_modules - Fix Windows Terminal 504 Timeout from Proxy Settings-How to Clear Windows Defender Cache Without Rebooting

2026-06-13 18:46:07browser-issues
Fix npm EACCES Error: Permission Denied on node_modules - Fix Windows Terminal 504 Timeout from Proxy Settings-How to Clear Windows Defender Cache Without Rebooting

Final checklist

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