Reminder: Downgrading to QuickTime 7.3.x QuickTime 7.4 is causing so many serious problems for so many users (no video, only audio in movies, incompatibility with third-party applications, inability ...
No video/audio playback, fixes Users continue to report an inability to playback certain media after updating to QuickTime 7.4.5. MacFixit reader Amy, for instance, writes: "I just did the software ...
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