A. A. Microsoft has made available a toolkit, which you can download at http://www.microsoft.com/downloads/details.aspx?familyid=7256D456-E3DA-42EA-857D-92B716077A84&displaylang=en . The tool is designed for computers in shared environments, such as schools and libraries. Information is available with the download, but high-level functionality includes a utility to lock down the C drive, profile management, and accessibility features.