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Fixing Nginx Upstream Connection Refused and Permission Denied - Fix Node Sass Build Failure: Environment Variable Errors-How to Restore Missing Taskbar Icons

2026-07-28 10:32:53developer-tools
Fixing Nginx Upstream Connection Refused and Permission Denied - Fix Node Sass Build Failure: Environment Variable Errors-How to Restore Missing Taskbar Icons

Final checklist

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