http://blogs.technet.com/b/security/archive/2006/09/27/real-life-protection-ie7-on-vista.aspxHappy day, if you get this dialog box: This screenshot comes from Zdnet article Vista passes one security test that points out some of the benefits of the multiple levels of security in IE7 and Windows Vista, with respect to the zero day issue warneden-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)