Apple has just released their security update which addresses the "OSX.MacDefender.A". http://support.apple.com/kb/HT4657

Running "Software Update…" will allow you to obtain and install this update.

Regards ------------- Doug Hamilton, BA, MA, ASP Senior Apple Computer Consultant Computers-on-Campus; Univ. of Manitoba 204-474-6196 (Ph.) 204-474-7556 (Fax) http://www.umanitoba.ca/bookstore/