I followed these instructions, and seemed to get the framework installed fine. My problem is the framework includes WPF, as you pointed out, but what all else needs to be installed for WPF specifically? I am missing something just following these steps because my application is still returning Presentation Framework errors, specifically system.windows.markup.xamlparse. Is there a specific set of requirements or steps I can follow for .net 3.0/3.5 for a WPF application?