Ballmer eventually gave up and instead lugged the machine back to Microsoft's Redmond, Wash. campus. There, several engineers spent several days, burrowing deep into the system to figure out the problem. Imagine, CSI: Redmond.
It turns out there were more than a hundred pieces of malware of various types. Things that these engineers using Microsoft's own private tools could not ferret out and fix. Some of these threats hooked themselves deeply into the core operating system and essentially lied about their existence. Other malware scoured the hard drive for anything containing the string "virus," and, in Allchin's words, would "shoot them dead." The result was disabling any installed antivirus software.
It took a team of engineers to restore this system to health. And it was a real wake-up call.
"This really opened our eyes to what goes on in the real world," says Allchin.
