Problem with Kensington EXPERT mouse

Very Weird but my trackball - Kensington Expert working well exept when I’m trying to “right click” on event in the timeline. Within the timeline the “Right click” give me the “tool bar”.
Driving me nuts while I want to make some grouping or offline processing.

Is it me or it should be looked by the QA in Steinberg?

Check your prefs-- in Editing/Tools is the “Pop Up Toolbox on Right Click” option checked?

Good luck,