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Fix npm ERR! code EACCES on Windows 10: Permissions Guide - How to Set Proxy in Windows Terminal-Fixing WireGuard Handshake Failures Behind NAT

2026-06-13 15:38:50
Fix npm ERR! code EACCES on Windows 10: Permissions Guide - How to Set Proxy in Windows Terminal-Fixing WireGuard Handshake Failures Behind NAT

Result check

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