MacFixIt staffer Lee Marconi writes: "In my case, I've isolated an extension conflict: the SanDisk USB drivers. Details are in this MacFixIt Forums thread (MacOS 9.1 and QuickTime 5.0.2)." See also ...
Several users have reported that QuickTime 7.4.1 does not resolve plyabck issues (existent in QuickTime 7.4) in which some movies play without video, others play without sound, and still others don't ...
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