500 - Internal server error - ASP.NET MVC 2 APP

After i deployed application using IIS manager and caling my address : http://user703.netfx4lab.discountasp.net/ i'm getting 500 error. On my computer everything is fine and application works, but here i'm getting this error. i already try to upload it again,but with no luck.

application is ASP.NET MVC2 using SQL2008 Express database.. do you have any solution for me? thank you in advance...

if I try to access

http://user703.netfx4lab.discountasp.net/Views/Login/index.aspx

I'm getting 404 error... something with route is problem but i dont know why..i also uploader mvc,abstraction and route dll in bin directory...