OneDrive Sync Module Not Found After Reinstall: Fix - Windows Security App Not Working After Update: Fixes-How to Change Microsoft Store App Download Path in Windows
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.