Fix Git index.lock File Exists Permission Denied Error - How to Fix Chrome Black Screen on Windows 10/11-Windows Security App Not Opening Command Prompt 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.