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iPhoto 7.1.5 - working faithfully in 10.4 and 10.5, suddenly has forgotten how to play video after an upgrade to 10.6 (Snow Leopard).

Apple's solution for iPhoto 08 is to install a newer version of Quicktime, but on my system this did not solve the problem.

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Removing (in /Users/~/Library/Preferences), seems to have solved the problem.

Credit to the post by "Old Toad" ->

Is there any public registry of the values? When I took a diff of the new and old values, I did not see anything obvious that was reset that would cripple video playback> (I assumed it was a stale preference or a new, bogus default value.)

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