Tyrphanax said:
Never buy Norton. Frink is dead wrong with that. Norton is practically malware itself and won't ever do anything but take your money and slow your computer down; it's considered one of the bigger jokes in the PC world.
This is what any sane person uses.
If you have bigger problems than day-to-day care, MalWareBytes is where you go.
I've had no problems with MSE, yet somehow they failed AV testing and lost certification.