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Fix Windows Defender Proxy Error Not Working - Nginx 502 Bad Gateway: PHP-FPM Fix Guide-Windows 11 Port Allocation Error Fix

2026-06-13 16:10:58
Fix Windows Defender Proxy Error Not Working - Nginx 502 Bad Gateway: PHP-FPM Fix Guide-Windows 11 Port Allocation Error Fix

Result check

  • Keep one change per test run so you know which step helped.
  • Undo temporary changes after the issue is confirmed.