Fix VS Code IntelliSense Not Working After Update - Fix Nginx Upstream Connection Refused in Proxy Pass-Wi-Fi No Internet Windows 11 Troubleshooting Guide

Updated 2026-07-28 13:40:30macos-help
Fix VS Code IntelliSense Not Working After Update - Fix Nginx Upstream Connection Refused in Proxy Pass-Wi-Fi No Internet Windows 11 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.