zhizhu
Home / cloud-software / How to Fix PostgreSQL Connection Refused on Localhost - Windows Update Failed: Restore from Backup Guide-Nginx Upstream Host Not Found Error Guide

How to Fix PostgreSQL Connection Refused on Localhost - Windows Update Failed: Restore from Backup Guide-Nginx Upstream Host Not Found Error Guide

Updated 2026-06-13 15:10:31cloud-software
How to Fix PostgreSQL Connection Refused on Localhost - Windows Update Failed: Restore from Backup Guide-Nginx Upstream Host Not Found Error Guide
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.