Fixing Nginx Upstream Connection Refused and Permission Denied - How to Fix Limited Connectivity on Windows 11 Wi-Fi-Git Clone Timeout Error 128: Causes and Fixes

Updated 2026-07-28 11:14:34backup-recovery
Fixing Nginx Upstream Connection Refused and Permission Denied - How to Fix Limited Connectivity on Windows 11 Wi-Fi-Git Clone Timeout Error 128: Causes and Fixes
Before changing system settings, save your work and note the exact error text so you can compare results after each step.

Extra verification checklist

  • Restart the affected app after changing permissions or configuration files.
  • Test the same workflow in a clean browser profile or a temporary user account.
  • Compare the result on another network if the error may be connection related.