I'm running into the same problem with RedHat Linux 7.1. I just posted the same problem today. Have you installed the Java Runtime Environment file? There's a link to it on LimeWire's website when you chose to download LimeWire. Unfortunatly, I've downloaded it already and I'm still getting the same error message. From what I understand, once you download and install it, LimeWire should work...
Ben
BSafin@Mediaone.net