May be you are a die hard Microsoft fan, or just another bunch of showbiz talk-lock fella or more better you use some of the Vista features in your application and want that only genuine Microsoft Vista owners apply to your services. Actually, I wrote this code like a year ago, and now while browsing through my backups, I noted that it lied there uselessly. I never used it but probably any one of ya might want to apply this logic. This is the usage of the function: 1: bool valid = new WgaHelper().IsVistaGenuine();...