understand assembly and how the code works the cpu. then you shall have your answer...
"Mrs. Jones, I'm sorry to inform you, but we've run the tests, and it appears that you have XP. Now don't cry - it's bad, but it's not a death sentence. Modern science has advanced in recent years, and it's now possible to live a reasonably happy life with XP. And there's a survivor's group that you'll want to meet as well."