Can't get anything to compile - please help

[wccitkr]

I have a bunch of source code in c++ for several different things. All I need to do is compile the code so I can run the programs. Whenever I try to open the .sln file in Visual Studio to compile the code I get the following error:

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"The application for project 'project_directory\project_name.csproj' is not installed

Make sure the application for the project type (.csproj) is installed"

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I have installed every windows dev tool you can download, Visual Basic 2005 express, Visual C# express, .NET Framework SDK v2.0 etc. Tried googling but didn't find a solution. I have no idea how to program, all I need to do is compile the source code.

Does anyone know how to fix the above error message?? like I said I have no idea how to program so I just need a basic solution to compile. any help is really appreciated

[Hack]

You are trying to compile C++ code as a C# program?