Are you trying to use BT & LW together? Just run one at a time. Change your LW port to 64049 & see if that helps. Also change the port forwarded to 64049.
Did you make sure to set up a static IP address before port forwarding?
Are you port forwarding for BT?
There are some helpful hints about alternative uses for your computer here
http://www.youtube.com/watch?v=Q8OMijrTVBU
If yours is a desktop, I'm sure you could adapt some of these ideas to suit!!!
We could use some snow here in Perth right now.