Let's take it from the top then:
a)Do you have the latest Java?
b)Are you using XP's firewall?
c)If you are, have you set it so that it allows LW to connect (I don't think that that's the prob, but...)?
d)Which version of LW are you using?

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iMac G4 OSX 10.3.9
RAM 256MB
LW 4.10.5 Basic
ADSL anything from 3 to 8Mbps/around 1024kbps

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And seal your fate forever
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The Golden Age Of Leather"
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