Due to legal official firmware issues please use www.monstercontroller.net for your firmware / driver / upgrade needs. This is a 3rd party site, no way affiliated with Bannco Corp.
If you have problems using the mouse buttons:
On the front right corner of the mouse - it can stick on the area where the plastic button touches the case side. You can use a sharp knife and just trim the side of the plastic button so it does not rub against the mouse case.