Fix 'git pull failed index.lock file exists' Error - How to Fix Port Already Allocated Error in Docker Compose for Nginx-Chrome Update Crash: Troubleshooting Guide

Updated 2026-07-28 10:42:43browser-issues
Fix 'git pull failed index.lock file exists' Error - How to Fix Port Already Allocated Error in Docker Compose for Nginx-Chrome Update Crash: Troubleshooting 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.