Please be advised that there is a known CRITICAL vulnerability in Windows 2000, XP, and 2003. This is the type of vulnerability which is likely to be incorporated into a future network virus/worm. Microsoft has released a patch to correct the problem, and it is highly recommended that the patch is applied to all systems immediately. University supported systems will be handled by local technical support groups. Home PCs and other unsupported systems should follow the windows update procedure below to apply the patch. http://www.yorku.ca/computing/facultystaff/security/faq/win_update.html For more information regarding the vulnerability please visit the following link: http://www.microsoft.com/technet/security/Bulletin/MS06-040.mspx For additional steps to help protect your computer, please refer to the windows security checklist: http://www.yorku.ca/computing/facultystaff/security/protect.html CNS Information Security York University Questions or concerns about this note, should be directed to the CNS Helpdesk in the Computing Commons, William Small Centre, (voice: 416-736-5800, email: [log in to unmask]). CNS Announce