Default Software Update Check Issue

Apparently I have to wait 26,328 hours before I can check for an update again. I remember when 4.4.2 rolled out, I set my date forward 24 hours just to get it. Well, I got it, but recently I checked for an update and it told me to wait 26,000 hours. Umm, 3 years? No thank you. I don't even remember messing with my date besides the day of the update. I Tried clearing cache of Software Update and that didn't help.