The Factory Commander was updated:

Ver. 1.1.0.6: Fixed item #324 – app crashes when clicking the rename button and then a different item while renaming an item

Ver. 1.1.0.5: Fixed item #322 – app might crash when renaming / copying / moving single item on machines with US region settings; uninstall and re-install might be required for this fix to take effect

Download the latest version from the Windows Store.