Are you looking for a program to create your customized icons without much problems? Looking close, here you are Axialis Iconworksop.
Axialis IconWorkshop is the ideal application for all users who want to create their own icons but they are not like graphic designers or anything like that (although you know something, it will be good)
Keep an interesting interface, it allows you to create any type of shape, add your own pictures, create small pieces, and even import some of the included icons and correct them.
You will be able to convert Mac Icon into Windows Icon and Voices.