Windows 11 Blue Screen After Driver Update: Rollback Fix - Fix Git 'index.lock file exists' Error-How to Fix Windows 11 Blue Screen After a Driver Update

Updated 2026-07-28 13:06:04security-tools
Windows 11 Blue Screen After Driver Update: Rollback Fix - Fix Git 'index.lock file exists' Error-How to Fix Windows 11 Blue Screen After a Driver Update
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.