Struggling with “MP4 won’t open in QuickTime error?” While QuickTime is default player for MP4 on Mac, it’s not without issues. Moreover, despite being a popular file format and industry standard, MP4 ...
iCal alarm click not appearing — fix Several users have reported an issue where the iCal alarm clock function does not work properly after the update to QuickTime 7.1.3. MacFixIt reader James Hsieh ...
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