1 Reply Latest reply: Oct 8, 2012 8:22 AM by noondaywitch
irakiener Level 1 Level 1 (0 points)

I keep getting error message 100 ("there was an error in the app store") everytime (and I've tried 3X/week for over a month now) I try to upgrade to Mountain Lion on my Macbook Air. Why is this happening?

MacBook Air, Mac OS X (10.7.5)