When I uncheck the Service Pack 2 box and then tell Automatic Update NOT to alert me about that update again, that means I never want to see Service Pack 2 again. When Kenny, that being my computer, goes on to a better place, I will get a new computer which will probably already have Service Pack 2 built in, or a newer version of Windows that doesn't need it. That way it should at least work.
But for some fate, SP2 does not work on Kenny. Give. It. Up.