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Fix npm run build Failed After Git Pull - Troubleshooting Nginx Upstream Connection Refused Port 80-Fix Limited Connectivity on Windows 11 Wi-Fi: Practical Steps

2026-07-28 19:25:57
Fix npm run build Failed After Git Pull - Troubleshooting Nginx Upstream Connection Refused Port 80-Fix Limited Connectivity on Windows 11 Wi-Fi: Practical Steps

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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