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npm package.json Not Found: Troubleshooting Checklist - Resolve 521 Web Server Down with Firewall Changes-Python venv Won't Activate in VS Code Terminal

2026-07-28 11:15:34
npm package.json Not Found: Troubleshooting Checklist - Resolve 521 Web Server Down with Firewall Changes-Python venv Won't Activate in VS Code Terminal

Result check

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

Next references

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