I can't answer all questions, since I don't have LimeWire (yet), and I was trying to get it from www.limewire.com and I tried from download.com and I previously had it installed from limewire.com

1. what OS version? (eg: Windows 98, XP,OSX, Vista) XP
2. What firewalls you have ? Zone Alarm Security Suite
3. How much ram ? 240 MB
4. Hard Disk space available ? 30.7 GB left. 40 GB hard drive.
5. Connection type (eg: dialup, broadband, cable, etc.) ? Cable
6. Modem & router brand name & model numbers ? Motorola - not sure of #
7. Where are you trying to connect from (house, appartment complex,
school, student accomodation, work, etc.) ? House
8. What version,LimeWire & Java,Go to L/W's Help/About L/W, THIS show
both LW & Java version.? Was trying to get latest LimeWire Basic, got Java SE 6
9. Who is your ISP provider (Internet Service Provider) ? Optusnet www.optusnet.com.au
10. Do this test click here: http://www3.limewire.com:6346/ should say
'Your test worked!. What happens ?
11. Are you sharing the connection with other computers or p2p sharing
programs? If yes, please give details of set up. No
12. Is this a your 1st try at LW or is this a new problem with an
experienced user.? New problem
13. Do you see a brick wall in front of the blue world icon at the
bottom of LW's interface ?
14. Have you given full permisions for LimeWire to pass through your
Firewall ? I did, when I first had it.
15. XP users, Please state XP firewall on or off.? Off

BTW, I never had problems with LimeWire previously with this same computer/set up before, and I used LimeWire for a few years (around 3 or 4).

Thanks for helping.