Ill try to answer as much as i can

OS, Windows 98/2000/XP: I have xp
CPU, P4 3.0 GHz/AMD 64 3200+Ghz: No idea how to find that out
Memory, 256MB/512MB: No idea
Graphics/Video Card & Platform NVIDIA/Intel Extreme/Radieon: Nvidia but i dont know specifics
Connection, Dial-up/DSL: Comcast cabel Modem
Are you using a router, Brand/model number
LimeWire Version 4.8.1/4.9.11: I thin 4.10
Java Version 1.4.2/1.5.4: The latest one
What firewall you use if any: A windows one but i unblocked limewire
What Antivirus if any :Mcafee
Are you new to LimeWire or Experienced: New
An accurate description of your problem: If i download limewire my internet is slow and the whole computer overall is just really slow.
Thanks for your help.