Update: Apple has released security update 2011-003 which should remove most instances of this malware automatically. Details about the removal process provided by this security patch can be found here. You should receive this update automatically the next time your computer checks for system software updates. In addition, Apple Support document HT4650 outlines Apple’s recommended…

If your computer is constantly rebooting or will not start and you run McAfee virus scan software the problem could be caused by a recent update to your anti-virus software and is easy to fix.