No FireFox should be okay with LimeWire.

Would you provide the follwing information:

Computer type and CPU
Operating system and sp (MAC,wind98)
HDD
RAM
LimeWire Version
Java Version
Firewalls
Modem type and model no.
Router type and model no.
Connection (Dialup,ADSL,DSL,Cable)
Where are you connecting from (Home,Work,School)
Who is your Internet Service Provider
What display adapter are you using

Thank you