I can't quit Mail app in my MacBook Air and therefore I can't shut down the computer. What can I do?
MacBook Air, OS X Mountain Lion (10.8.3)
Posted on Dec 28, 2013 2:31 AM
Q: Can't quit mail
Press Command-Option-Esc, then select the unresponsive app from the Force Quit window that appears, and click Force Quit.
http://support.apple.com/kb/HT3411
