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Fixing Cloudflare 521 Error with Nginx Configuration - Fix Microsoft Store Error 0x80072efd: Connection Refused-PowerShell Version Conflict Troubleshooting

2026-06-13 18:30:21macos-help
Fixing Cloudflare 521 Error with Nginx Configuration - Fix Microsoft Store Error 0x80072efd: Connection Refused-PowerShell Version Conflict Troubleshooting

Final checklist

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