I run this program on a reasonably powerful computer (1.2 Athlon) with no problems but a slight delay booting up (perhaps this might translate into a freeze on a less powerful computer). Encarta might be more kid friendly, but don't forget the depth and quality of Britannica's content (after all it has been the premier reference for eons and it's all there on the DVD). I know style counts for something when it comes to the software interface, but don't forget the content, particularly if you're over 13!