Hi, i have been able to connect in the past, but can't connect now. Please help

1.XP Home service pack 2
2.Windows live one care firewall
3.1GB
4.30GB
5.Broadband
6.Modem- Siemans Speed Stream 4200, Router- Linksys 310N
7.House
8.LW- V.4.18.8, Java- 1.6.0_07
9.Windstream
10.it says network timeout
11.yes, wirelessly connected by router
12.new problem, been using for 3 years
13.yes
14.uPnP is enabled
15.Windows Live One Care
16.USA
17.recently updated limewire from 4.18.to 4.18.8