To begin with where did you get it and how much did you pay for it. Did you get from the official site LimeWire basic is free to try for as long as you want and I do not know why anyone would buy somthing when you can try it for free. The link below will take you to the official site.
http://www.limewire.com/
Check tohe link below for salution for your install problem.
http://www.gnutellaforums.com/showth...threadid=29039