I'm so sorry you didn't need to look for a model number (another one of my blonde episodes
)...
Here are your instructions to Port Forward so Limewire can pass through, this should get rid of the brick wall in front of the globe...
Port Forwarding for the BT Home Hub
I also found that your ISP BT traffic shape p2p at peak peroids of the day..
Bad ISPs - AzureusWiki ::. Kitz - ISP Caps, FUPs and Prices .::
With your Java it should be updated...
Uninstall your Java from the add/remove programs and then re-install the JRE 5.11 offline version....(4th one down)
Java SE Downloads - Previous Release - JDK 5
It's not the latest but the most stable as many members have had problems with the JRE 6.1...