ASP.NET MVC project "not supported by this installation"

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I can create new MVC projects and they work and run however trying to open an existing project is not working at all.

I tried the following changing the project type to:

<ProjectTypeGuids>{F85E285D-A4E0-4152-9332-AB1D724D3325};{349c5851-65df-11da-9384-00065b846f21};{fae04ec0-301f-11d3-bf4b-00c04f79efbc}</ProjectTypeGuids>

(this worked on migrating a project from Asp.Net MVC preview 1 to preview 2 BTW)

Changed the Reference to:

<Reference Include="System.Web.Mvc, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
    <SpecificVersion>False</SpecificVersion>      
</Reference>

I tool this from a new project I created so i know that should be OK (I even hardcoded the path to the same result).

Still I get the dreaded:

The project file '.....csproj' cannot be opened. The project type is not supported by this installation.

I also tried devenv /setup and installing the SP1 for Visual Studio.

The project I'm trying to open is this one (a DevExpress sample of a grid working on ASP.NET MVC).

4 Answers
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