Nginx 502 Bad Gateway: PHP-FPM Fix Guide - How to Break the Windows Security Credential Loop-Windows Security Won't Open? Solutions

Updated 2026-06-13 13:42:57office-tools
Nginx 502 Bad Gateway: PHP-FPM Fix Guide - How to Break the Windows Security Credential Loop-Windows Security Won't Open? Solutions
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.