Fix Nginx 502 Bad Gateway with Docker and PHP-FPM - How to Resolve Git index.lock Permission Denied-Malware Causing Chrome Startup Crash: How to Fix

Updated 2026-07-28 20:04:13developer-tools
Fix Nginx 502 Bad Gateway with Docker and PHP-FPM - How to Resolve Git index.lock Permission Denied-Malware Causing Chrome Startup Crash: 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.