Quote Originally Posted by handrawn View Post
have you disabled the touchpad?
Yes, and I disabled scroll wheel emulation: By default, when clicking the middle button and moving the TrackPoint, one can scroll in documents, also in Xara (but I don't like that). However, then the middle button does not function as middle mouse button. There is a tool called TPMiddle which brings back middle mouse button clicking, but clicking only: When pressing the button and moving the TrackPoint, then scroll wheel emulation gets activated.

it could well be a driver problem...
As I wrote in my initial post, indeed this seems to be a driver issue. In fact I read in another forum that in Windows 8.1 it is no longer possible to disable scroll wheel emulation in the driver's settings.

Anyhow, I am now working with space, and I think it's only a matter of time until I get accustomed to it. No big deal.