From the article: "... Before you go any further I need to explain how XNA works on the Xbox 360. Microsoft created a version of the .Net compact framework that runs on the Xbox 360, as well as Xbox versions of the XNA assemblies. To get these assemblies onto your Xbox 360 and enable deployment of XNA framework requires that you join the Creators Club which has a cost associated. The changes you will make for this article will work on the PC too, but you will not be able to play on the Xbox 360 without this. Microsoft have provided a video to help you get this installed: Getting Started with the XNA Creators Club ...".This article is available on the Coding4Fun site.