Answers of value:

OS - XP pro
Firewalls - None that I know of, but since it's a corporate network, I'd assume there is one somewhere.

How much ram? - 1 gig

Hard Disk space available? - 80 gig

Connection type? - Unsure, I THINK it's a direct T1, again, corporate

Modem & router brand name & model numbers? - Please see above

Where are you trying to connect from (home, school, work, etc.): Work

What version of Limewire (LW) & Java do you have? LW- 4.10.9, Java 1.5.0_06

Who is your isp provider (Internet Service Provider)? unknown

Are you sharing the connection with other computers or p2p sharing programs? Yes, network at work.

Is this a your 1st try at LW or is this a new problem with an experienced user.
No. I have been a user on my home systems for years and years.

Do this simple test for us. Using your browser go here:http://www3.limewire.com:6346/ The page should say 'Your test worked!'. What happens when you go there?

I get a standard page not found error.