Fix 'git pull failed index.lock file exists' Error - Stop Windows Explorer Crashes from Corrupt Files-How to Resolve Windows Cannot Access Shared Folder in HomeGroup
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.