The latest driver for Windows XP for the ReMOTE is version 3.0.1.0. The latest driver version for Windows 98SE is 1.1.0.4. This can be checked by connecting the ReMOTE via USB to a computer, turning on and then checking the properties of the control panel sytem/device manager/sound, video and games controllers ReMOTE icon. The latest OSX driver version for the ReMOTE is 1.1. The latest drivers can be downloaded from the Downloads page of the website.
http://www.novationmusic.com/product.asp?id=2&view=downloads&Type=1&bArchive=False