OH NO!!!! I FORGOT TO RESET MY DISK PERMISSONS AND NOW MY COMPUTER IS GOING TO CRASH!!! AHHHH!
No.
The *nix family is a good, stable operating system family, and is not meant for use by dummies who think that the solution is a reformat and reinstall. It's called using common sense, people.
EDIT: ROFL, as soon as I hit send, my Software Update Wizard popped up...