SQLEXPRESS Failed to generate a user instance of SQL Server

I deployed an ASP.NET MVC app using MSDeploy and ran into this problem i tried every solution that i found over internet and i still can't ge开发者_C百科t this working it's a small basic MVC 2 app that I built while learning. so..

1. how do you get this thing running under IIS7?
2. what is the exact problem?

Screenshot

http://screencast.com/t/0tBZoHoN

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Can you take a look at this question?
https://serverfault.com/questions/1886/failed-to-generate-a-user-instance-of-sql-server

Maybe it can help you.