One thing you should realize is before you post it make sure that you or he got your copy of LimeWire from the official source. There are allot of hacked versions of LimeWire out there. LimeWire is a open source program. If you do not know what that means then Goggle it for a more in depth explanation. Basically it means that anybody can get a copy of it then change the program if they wish they can add a virus to it or what ever they want.
The Link below will take you to the official site.
http://www.limewire.com/english/content/download.shtml