Fix Microsoft Store 'File Locked' Error When Installing or Updating Apps - Fix Windows Security 'Failed to Start' Group Policy Error-Manually Clear Windows Search Cache
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.