There is a saftey thing in windows XP that only allows like 10 connections or something was to prevent the spread of worms or something, you can try http://techespot.blogspot.com/2007/04/latest-file-sharing-protocol-bittorrent.html i installed it seemed too work fine, but if u wanna be cautious i'll try uploading it to filefactory or something tonight so u can dl it via http