Fix 'Security Module Not Found' in Windows Defender - Resolve Cloudflare 522 Timeout with Nginx-Windows 11 Port Allocation Error Fix

Updated 2026-06-14 04:54:52office-tools
Fix 'Security Module Not Found' in Windows Defender - Resolve Cloudflare 522 Timeout with Nginx-Windows 11 Port Allocation Error Fix
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.