Fix Nginx 502 Bad Gateway Behind Cloudflare - Windows Defender Not Responding? Fix It Now-Postman Request Timeout Fix Guide

Updated 2026-06-13 13:23:00security-tools
Fix Nginx 502 Bad Gateway Behind Cloudflare - Windows Defender Not Responding? Fix It Now-Postman Request Timeout Fix 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.