Fix Git 'index.lock file exists' Error - Fix Nginx Permission Denied Error for www-data User-VS Code Git Error: Remote Origin Already Exists – Fix

Updated 2026-07-29 00:37:51office-tools
Fix Git 'index.lock file exists' Error - Fix Nginx Permission Denied Error for www-data User-VS Code Git Error: Remote Origin Already Exists – 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.