When I start up I get the following error. Help! Do I need to install anything else?

LimeWire version 1.6
Java version 1.1.8 from Apple Computer, Inc.
Mac OS v. 9.1 on PowerPC
Free/total memory: 165420/2875392

java.lang.NullPointerException
at java.io.File.<init>(File.java)
at a.a.a.ca.t(ca.java:641)
at a.a.a.c.b.n.i(n.java:418)
at a.a.a.c.b.n.<init>(n.java:77)
at a.a.a.c.b.bf.a(bf.java:57)
at a.a.a.c.b.bf.<init>(bf.java:41)
at a.a.a.c.MainFrame.initialize(MainFrame.java:135)
at a.a.a.c.Initializer.b(Initializer.java:110)
at a.a.a.c.Main.main(Main.java:16)
at a.a.a.b.Main.main(Main.java:13)
at com.zerog.lax.LAX.launch([DashoPro-V1.2-120198])
at com.zerog.lax.LAX.main([DashoPro-V1.2-120198])
at com.apple.mrj.JManager.JMStaticMethodDispatcher.ru n(JMAWTContextImpl.java)
at java.lang.Thread.run(Thread.java)