So im downloading a project at home from work over team foundation server. I download the project and it won\'t compile because of the error. Warning 2 The referenced c
There are good ways suggested by the developers, you may also try this solution to solve your problem.
In your case your project has a reference to the EntityFramework library, but library it self is not available to you project. You may try either the following:
Click on Project-> Manage NuGet Packages. It will open following window.
Find the EntityFramework and click Install.

Right-Click the Prject-> Add References...-> Browse-> Locate your EntityFramework library-> Click OK