DDJ-RB

Hi i have mjor problems since the last update.

The track selection dial keeps changing the wave form size instead of selecting the track, i have live gigs coming up.

I have tried pressing the dial at the same time as pressing the shift button - doesn't work.
I have updated the clock and also downloaded and reinstalled rekordbox dj several times. all the sound drivers and everthing else possible.

There has to be a simple solution for this?

my licence key is