This is a weird story. Yesterday, Variety’s Janko Roettgers reported that a bunch of Mac Pros in the Hollywood area were refusing to restart:
Film and TV editors across Los Angeles were sweating Monday evening as their workstations were refusing to reboot, resulting in speculations about a possible computer virus attack. Social media reports suggested that the issue was widespread among users of Mac Pro computers running older versions of Apple’s operating system as well as Avid’s Media Composer software.