Fix Chrome Access Violation Error Caused by Antivirus - Firefox Secure Connection Failed Due to Proxy – Fix Guide-Nginx PHP-FPM Connection Refused: How to Fix

Updated 2026-07-28 14:13:28macos-help
Fix Chrome Access Violation Error Caused by Antivirus - Firefox Secure Connection Failed Due to Proxy – Fix Guide-Nginx PHP-FPM Connection Refused: How to 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.