I can't scroll diagonally with P3 control panel

I can't scroll diagonally with P3 control panel

Hi guiys,

Recently I  finally got my propoint and I really love this product!
However, there is only one thing I can't accept. 

When using propoint with P3 control panel, I can't scroll diagonally. I can scroll either vertically or horizontally. But once I terminate P3 control panel, it allows to scroll diagonally on any programms.

Is it a known bug or does it happen only to me?