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Archived - QuickTime: About QuickTime 7.6.6

QuickTime 7.6.6 includes changes that increase reliability, improve compatibility and address security.

This article has been archived and is no longer updated by Apple.

What’s in this update?

Mac OS X

General reliability improvements for iMovie.

Windows

Addresses H.264 playback issues on multicore systems.

Security

For information on the security content of this update, please see Apple security updates.

Note: QuickTime 7.6.6 is for computers using Mac OS X v10.5 through v10.5.8, Windows XP (Service Pack 2 or later), Windows Vista or Windows 7.

Last Modified: Feb 27, 2014
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  • Last Modified: Feb 27, 2014
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