Loaded new version of Limewire Pro and worked fine for awhile but the last 3 wks I cannot receive a solid steady connection. Please help!

Setup Details:
[FONT='Verdana','sans-serif']1. OS version? Windows Vista, Administrator user account.
2. What firewalls you have? Windows Firewall
3. How much ram? 958 MB
4. Hard Disk space available? 24 GB
5. Connection type? Cable modem
6. Modem & router brand name & model numbers? Scientific Atlanta Webstar
7. Where are you trying to connect from: house
8. What version of LimeWire (LW) & Java do you have? Limewire Pro 4.18.3/ Java 1.6.0_07
9. Who is your ISP (Internet Service Provider)? Everest
10. Do this simple test for us. Using your browser go here: What happens when you go there? Test worked
11. Are you sharing the connection with other computers or p2p sharing programs? No
12. Is this your 1st try at LW or is this a new problem with an experienced user. New problem experienced user
13. Do you see a brick wall in front of the blue world icon at the bottom of LW's interface? [/FONT][FONT='Verdana','sans-serif']_[/FONT][FONT='Verdana','sans-serif'] Yes
14. For those using a modem/router, how is your modem/router set up...are you port forwarding or is UPnP enabled? Port forwarding
15. What security programs are you using (antivirus etc)? Some people might not be aware that their security suite includes a firewall Trend Micro PC-cillin Internet Security 14
16. What country are you living in? USA[/FONT]