I can assure you supplying those details will not put you or your computer at risk...We ask for those details because everyones set up is different and we are not mindreaders, we cannot tell what a problem is about without some sort of information..
Also I do need your mother's maiden name
...Just joking
It could be your Nvidia firewall that is blocking limewire follow these instructions to configure it properly...
Port Forwarding for the NVidia ActiveArmor Firewall
If no luck.... Try uninstalling 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
Java 6.1 has caused some issues with limewire users...
If that doesn't help... Try deleting your preference folder...
Fixes for Limewire when LW isn't operating as it should
Hopefully one of those fixes will at least open limewire up for you...But once you have it open you may notice a wall in front of the globe in limewire, that will mean you are still being blocked by a firewall...Your modem/router does have an inbuilt Nat Firewall so you will have to open a port for limewire to pass through...
These are your instructions for Port Forwarding...
Port Forwarding for the Siemens 4200