Problem related to Bittorrent. Please help me!

I am using a wireless connection to access the net.I am unable to download any file(.avi, .pdf) using Bittorrent client(ofcourse using those related torrents). These are the following error messages I got in Bittorrent software log file:

WindowsUPnPException : none port_collection (XP)
Problem connecting to tracker
Discovery timed out
NAT Traversal warning (XP: Unable to detect any UPnP services)
Problem connecting to tracker

Please help me in this. I have tried every possible other methods, used different torrent client software. It is just impossible.Please again help me.

My firewall is turned off.

Disable upnp and manually forward your ports.

http://portforward.com/english/route...outerindex.htm will tell you how to forwrd port on your router