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Quicktime can't play MPEG -4

Quicktime has failed to play MPEG- 4 Video

MacBook Pro with Retina display, OS X Mountain Lion (10.8.2)

Posted on Nov 19, 2012 9:27 AM

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Posted on Nov 19, 2012 9:33 AM

My quicktime seen to be selective of media to play. What can I download to rectify this problem. Do I need an upgrade?

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Quicktime can't play MPEG -4

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