Fix Git 'index.lock' File Exists Error in SourceTree - Checklist to Fix npm Permission Denied Errors-Chrome Access Violation Error Fix Guide

Updated 2026-07-28 09:29:16windows-fixes
Fix Git 'index.lock' File Exists Error in SourceTree - Checklist to Fix npm Permission Denied Errors-Chrome Access Violation Error Fix 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.