Given the limited "advanced" support for this mouse I'd say RMA it and get a new one. I doubt you'll find a solution for your issue, the joystick might be faulty from the factory
I'm finding the same issue now on our ROG STRIX g531gt. We've installed the system on the main user with all the asus apps, and when I created a user for myself I can't seem to find and run Armoury crate. This really blows, maybe someone has a soluti...