Most of the asp.net shared web hosting didn't support msdtc ( Microsoft Distributed Transaction Coordinator ) , when using Thebeerhouse starter kit , you would encounter error when click submit now ( go paypal section ) & in admin list of user and order also result in error. because this all need to use msdtc to update the data. But i have modified the code. It run on godaddy.com shared hosting enviroment. my web site is won-mart, any one need help, feel free to ask me.