I run the Visual Studio 2010 setup and repaired installation. Followed the same approach with Service Pack 1 and everything worked fine.
An possible reason could be the fact that in some cases the full path of the tools is stored in the projects file. I had the problem with VS 2012. See MS Connect Error.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.