Fix Git 'index.lock' File Exists Error in SourceTree - Docker Pull Access Denied Error Windows 10 Guide-Fix Windows 11 Stuck in Restart Loop After Blue Screen

Updated 2026-07-28 09:16:20browser-issues
Fix Git 'index.lock' File Exists Error in SourceTree - Docker Pull Access Denied Error Windows 10 Guide-Fix Windows 11 Stuck in Restart Loop After Blue Screen
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.