sembra che sia installato di default su Win2000
http://www.securitytracker.com/alerts/2004/Nov/1012341.html
http://blog.ziffdavis.com/seltzer/archive/2004/11/26/3957.aspx
http://blog.ziffdavis.com/seltzer/archive/2004/11/26/3925.aspx
http://blog.ziffdavis.com/seltzer/archive/2004/11/26/3896.aspx