Oh, I forgot something: My mouse settings in Xfce might be important to know. I uploaded a screenshot here:

I do not move the mouse itself, I only use the sphere and the 4 buttons. I am using this mouse for so many years now that I don't know anymore how it ...

Hello Andrea - and anybody else 🙂 I may be a little late for this, but I thought it might still be of interest. I am using a Kensington Slimblade Tr...