It is most likely browser related, are they on the same version? very unlikely to be mouse or hardware related. These tables are JCA tables and heavily use javascript, so that the scrolling is actually dynamically updating the data in the windows using Javascript methods. So look carefully at the bottom of the browser window, is anything being shown as a warning? Try another browser e.g. firefox, does that work? What are the javascript setting on the browsers, are there any differences? You might notice that some non-JCA windows will work e.g the Product Structure on a part
