The problem
I\'m using Visual Studio 2012 to develop C++ DLLs. On some machines these DLLs can not be loaded, because the platform toolset, which is
well it depends what you are trying to build. Some things are maybe supported via installing Windows SDK 7.1. see this post, same question, but if your project is dependent upon MFC then unfortunately it looks like it's not possible at all, mainly because nothing but VS2010 is deploying the MFC libraries.