必应池
Home / office-tools / Fix Nginx Upstream Connection Refused Timeout Error - Fix Windows 11 Installation Assistant Stuck at 99%-Python Requests Timeout Troubleshooting Guide

Fix Nginx Upstream Connection Refused Timeout Error - Fix Windows 11 Installation Assistant Stuck at 99%-Python Requests Timeout Troubleshooting Guide

Updated 2026-07-28 13:53:45office-tools
Fix Nginx Upstream Connection Refused Timeout Error - Fix Windows 11 Installation Assistant Stuck at 99%-Python Requests Timeout Troubleshooting 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.