The fear-inducing is set to explode (or something) this Wednesday, April 1. Wondering what the hell that actually means? You aren't alone.

No one knows exactly what Conficker will bring, but plenty of theories are floating around. Some take on apocalyptic tones, while others seem more like nonchalant groans. Before you unplug your computer and brace yourself in the fetal position, though, consider some of the possibilities and how likely they appear to be.

1. It'll be Y2K all over again.

Just picture it: Computers worldwide simultaneously freak out. Banks go haywire, airports shut down... -- oh, wait a minute. None of that stuff ever happened.

That's exactly what a lot of security experts are : a collective sigh of relief as all the hype turns into a big fat punchline, ripe for months of late night comedy milking.