This was an very annoying TurboTax 2013 issue which took me a couple of hours. Look like that the solution I found applies to TurboTax 2014 as well. More importantly the solution is so simple and I think that in most cases people don’t need to look at other solutions at all.

http://blogs.msdn.com/b/paullou/archive/2014/02/11/turbotax-2013-installation-error-quot-net-framework-verification-tool-can-t-be-found-quot.aspx