Can't Play Quicktime on Mac Book Pro
- 1). Close any video applications that may be conflicting with your QuickTime application.
- 2). Click "Apple" on your MacBook Pro's menu bar, and click "System Preferences." Alternately, click "Apple" and "Software Update."
- 3). Click "View" at the top of the screen and click "Software Update" on the sub-menu.
- 4). Click the box next to "QuickTime" and click "Install 1 Item" in the Software Update window. Click the "Restart Now" button to restart your computer, which finalizes the QuickTime installation.