If the shortcut key file is lost, you can uninstall and reinstall it. It is best to install the full version when installing. Of course, there is also a possibility that the version you downloaded itself is a "slimming" version, and it is possible to "slim down" all the modules of shortcut keys.

Besides, you just want to see if there is something wrong with your keyboard. If there is nothing wrong with the keyboard, you'd better reinstall it. Although the full version occupies a lot of space, it is fully functional after all. I wonder if I can help you.