I assume that you got your LW (you didn't answer my question about the versions) from the official LW website?!:
http://www.limewire.com/
Maybe your pc doesn't like the Java. You could try to install a previous version of it:
http://java.sun.com/products/archive/
Since you've read through my posts here, I guess you've checked as well any interference possibility by antivirus and or spyware programs?!
