Fixing Nginx Upstream Connection Refused and Permission Denied - How to Resolve VSCode Terminal Not Opening After Extension-Windows 11 Upgrade Hangs at 99%: Troubleshooting Guide

Updated 2026-07-28 16:04:32developer-tools
Fixing Nginx Upstream Connection Refused and Permission Denied - How to Resolve VSCode Terminal Not Opening After Extension-Windows 11 Upgrade Hangs at 99%: Troubleshooting Guide
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.