Try downlding a magnet link from here & tell us what speeds you get:
http://www.magnetmix.com/video.shtml
Make sure your XP firewall is disabled if you're using mcaffee firewall. Also ensure Mcaffee's firewall is properly configured to allow LW full access. Also, ensure your modem/router has UPnP enabled. Instructions to all of these issues here
Connection problems? Check here first! (click on link)
Who is your isp (internet service provider) by the way?