I Have a MacBook Pro 11,1 - 2.6 GHz i5...IOS 10.9.5...8 GB memory...1600 MHz DDR3. My QuickTime v.10.3 won't shutdown and won't allow me to shutdown my MacBook pro.
MacBook Pro with Retina display, OS 10.9.5
Choose Force Quit from the Apple menu, select the QuickTime Player, and press the Force Quit button. If that doesn't work, save and close everything you can and use the Activity Monitor in the /Applications/Utilities/ folder to force quit the loginwindow process.
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QuickTime player won't close and won't allow me to shutdown
