One user talked about how the 32-bit version of QuickTime was incompatible with the 64-bit version of Microsoft Office. This can help iTunes and QuickTime work more compatibly. If that doesn't work, then you may want to try updating Flip4Mac. You can move the video file to a new location on your computer, take it out of iTunes, and then reinsert it back in to iTunes. Some have suggested that the video file becomes incompatible over time. Sometimes the solution could be as simple as moving the file. In some cases, however, that might not work. The 32-bit mode may help your version iTunes process the videos much more smoothly. Click iTunes to select it and then open File > Get Info Choose 'Applications' from the Finder and go menuģ.

Quit iTunes by selecting 'Quit iTunes' from the menuĢ. Apple suggests this solution for your problem:ġ. In some cases, the 64-bit version of iTunes has trouble with QuickTime and playing videos. If you receive this error message, then there are a few different problems that could be plaguing your version of iTunes. The error message that pops up in this situation is often 'This movie requires QuickTime, which is not supported by this version of iTunes.' This can seem frustrating and confusing especially considering that QuickTime is likely installed on your computer and worked perfectly beforehand. If you have a Mac and you use iTunes a lot, then the most common problem you're going to face is that your videos won't be able to play.

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