In VS 12 professional and express: When trying to launch MVC4 I get: Could not load type 'System.Web.Http.RouteParameter' from assembly 'System.Web.Http, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35'.<br />MVC3 works fine. <br />When i comment with // the line WebApiConfig.Register(GlobalConfiguration.Configuration); in Global.asax it launches, but i can not use deeper Web API functionality. <br />I installed, reinstalled few times: .net 4.5, MVC4, visual studio 12 express and professional- but always is the same problem. I did uninstall my VS12 beta. What else to do short of throwing my old Windows 7 and reisntalling it?<br />Thanks!
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