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Fix Nginx Upstream Connection Refused Socket Error - Resolve npm Permission Denied in node_modules-Why Chrome Extensions Won't Load and How to Fix It

Updated 2026-07-28 13:53:02office-tools

Fix Nginx Upstream Connection Refused Socket Error - Resolve npm Permission Denied in node_modules-Why Chrome Extensions Won't Load and How to Fix It

Likely symptom

Likely cause

Safe rollback

Verification route

Repeat the original action, not only a simplified test case.
Restart the app or reload the service after configuration changes.