The ZeroG installer seems to be having some sort of issue.

[root@mcclure /gzip]
$ uname -a
Linux mcclure 2.4.9-13 #1 Tue Oct 30 20:11:04 EST 2001 i686 unknown
[root@mcclure /gzip]
$
[root@mcclure /gzip]
$ java -version

java version "1.3.1_01"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.3.1_01)
Java HotSpot(TM) Client VM (build 1.3.1_01, mixed mode)
[root@mcclure /gzip]
$
[root@mcclure /gzip]
$ md5sum LimeWireLinux.bin
3307b1f68fa09c63b4f65b6918d0a9ac LimeWireLinux.bin
[root@mcclure /gzip]
$
[root@mcclure /gzip]
$ ./LimeWireLinux.bin
Preparing to install...
Extracting the installation resources from the installer archive...
Configuring the installer for this system's environment...

Launching installer...

Error: Unrecognized JVM specific option `-Xmx50331648'.
Error: Unrecognized JVM specific option `-Xms16777216'.
Invocation of this Java Application has caused an InvocationTargetException. This application will now exit. (LAX)

Stack Trace:
java.lang.NoClassDefFoundError: ZeroGb9
at ZeroGcd.<init>(source file unknown:line unknown, pc 0x8c285a4)
at ZeroGbx.a(source file unknown:line unknown, pc 0x8bf7d0d)
at com.zerog.ia.installer.Main.a(source file unknown:line unknown, pc 0x8cd7341)
at com.zerog.ia.installer.Main.b(source file unknown:line unknown, pc 0x8bb61c1)
at com.zerog.ia.installer.Main.main(source file unknown:line unknown, pc 0x8593a61)
at java.lang.reflect.Method.invoke(Method.java:native )
at com.zerog.lax.LAX.launch(source file unknown:line unknown, pc 0x82949d6)
at com.zerog.lax.LAX.main(source file unknown:line unknown, pc 0x824f3eb)
[root@mcclure /gzip]
$

Check your classpath. It didn't find some of the required classes.