I'm always suspicious of people with too many numbers in their names. They are usually nothing but clueless fifteenyearold wannabe h4x0rs who download some scripts from the internet but are too lazy to look into any source code.
I don't know where you got that ideas from, but the source code is available at
www.limewire.org and if you'd bother to take a look at the native win32 code you won't find anything like a keylogger.
Maybe some of your securiy scanners or whatever you are using has a problem with the JVM.
And...
... DON'T EVER MENTION THE WORD "WORKSTATION" AGAIN IF YOU TALK OF A WINDOWS MACHINE!