Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.

AbeFroman77

macrumors 6502
Original poster
It's either because Mail won't close or another OSX app (Numbers most recently) that won't close that stops the shutdown/restart process.
 
Register on MacRumors! This sidebar will go away, and you'll see fewer ads.