Icon Changing Help (litelcon)

I have tried and tried... all my friends have used this..but for some reason i get an error message, and the application won't open. can someone please help me.

i have a ibook g4 and am running leopard.

my error message:


index: 78 icon:InternetlocationMAILTO.icns

Download ( Litelcon - 1.3 Beta )
at ( http://www.versiontracker.com/dyn/moreinfo/macosx/32346 )
.....if you are using Mac OSX Leopard, this will surely work on your PC!
GOODLUCK & ENJOY !!!