Fix Firefox Secure Connection Failed Due to Proxy Settings - Nginx 502 Bad Gateway in Docker PHP-FPM: How to Fix-Chrome Freezes at Launch on Mac – Troubleshooting Guide

Updated 2026-07-28 21:20:22office-tools
Fix Firefox Secure Connection Failed Due to Proxy Settings - Nginx 502 Bad Gateway in Docker PHP-FPM: How to Fix-Chrome Freezes at Launch on Mac – 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.