ABCD
Virus Venn Diagram

[[There are two circles, a green one, and a blue one. They form a Venn diagram composed of two disjoint sets.]]
Green circle: Computer problems that make people say "Maybe it has a virus?"
Blue circle: Computer problems caused by viruses
{{Title text: Within five minutes of the Singularity appearing, somebody will suggest defragging it.}}
Within five minutes of the Singularity appearing, somebody will suggest defragging it.