Uninstall completely (also delete the LW preferences directory:
C:/Documents And Settings/your_username/.limewire
Now go to www.java.com and download the latest Java (I think it's best to uninstall and reinstall if you can). Then try the LW installer once again.

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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

"Raise your can of Beer on high
And seal your fate forever
Our best years have passed us by
The Golden Age Of Leather"
-Blue Öyster Cult-