The God hater

A cranky, atheistic philosophy professor is chosen to create a philosophy for a computer world exactly like ours. Much to his frustration, every model he introduces - Darwinism, Existentialism, Buddhism - fails. The only way to preserve the computer world is to introduce laws from outside their system through a Law Giver. Even then, the world requires a computer character like himself to personally explain it. Then a rival introduces a virus into the world...