http://www.edbott.com/weblog/archives/000743.html Found this article today. I regularly and 'religiously' go through the process of advising users to clean the prefetch folder at my office when they complain that their system is slow. Seems I was taken for a ride. Why, even in this forum, search threw up 49 threads recommending it. Any ideas, folks, if this is true? It look genuine.