[ Update: The issues describe here have been fixed in SP1 ov Visual Studio. Please install SP1 before installing XNA Game Studio ] Disclaimer: At the time of the writing of this post Microsoft does not support running XNA Game Studio on Windows Vista. There are plans to support Vista when it is publicly available early next year. For more information on support check out the XNA Team Blog . This post is by no means a gauranty that XNA Game Studio will work on Windows Vista, and this posting is provided