Not playing quicktime movie

Mark's Avatar


12 Jun, 2013 04:38 AM

HI. I have a g5 quad running os10.5.8 and tenfourfox 17.0.6. I attempted to watch a video on the apple store. It would not play and got a dialogue box saying 'install quicktime.' Quicktime 7.6 is intalled. The video runs fine in firefox. Any ideas why quicktime movie not running?


  1. Support Staff 1 Posted by Cameron Kaiser on 13 Jun, 2013 03:53 AM

    Cameron Kaiser's Avatar

    The video requires the QuickTime plugin. TenFourFox does not support plugins.

    You may be able to get the video to play by installing the QuickTime Enabler for TenFourFox, right-clicking the video, and selecting Open Media in QuickTime. However, this doesn't work for certain types of video, and may not work for protected media.

  2. 2 Posted by Mark on 14 Jun, 2013 09:52 AM

    Mark's Avatar

    Thank you Cameron. I think I get it. I assumed that because the file was a quicktime movie that it would automatically play. I think that this is what happens with qt enabler playing youtube videos. Doesn't it play the file in quicktime somehow? Any way, I am really pleased to be using tenfourfox and getting the updated features of firefox- especially improved security. I have kept a separate profile set up for firefox solely for watching videos requiring a plug in.

  3. Support Staff 3 Posted by Cameron Kaiser on 14 Jun, 2013 04:06 PM

    Cameron Kaiser's Avatar

    If the video is playing inside of the browser itself, then you are actually using the browser's built-in decoders, not QuickTime. When you go to a YouTube page, if the video has a WebM version (most do), then TenFourFox will play the WebM version using its built-in decoder. This is true, in fact, for any WebM video.

    The QuickTime Enabler opens the video in QuickTime Player outside of the browser.

  4. 4 Posted by Mark Davis on 17 Jun, 2013 04:45 AM

    Mark Davis's Avatar

    Thanks for your reply, Cameron. If apple is asking me to install
    quicktime to view the file, does this mean that an installation of
    quicktime automatically installs a plug in that the website will
    utilise in the browser (such as safari or firefox)? Even though an
    issue like this is a small problem, I think that the improved
    features offered by tenfourfox make it a worthwhile choice. I simply
    open firefox with a different profile to watch video content not
    handled by tenfourfox. Well done, and thankyou to the developers and
    volunteers like yourself!

  5. Support Staff 5 Posted by Cameron Kaiser on 17 Jun, 2013 05:04 AM

    Cameron Kaiser's Avatar

    Yes, that's exactly what happens. The standard QuickTime installation installs the QuickTime plugin. However, this should be on your Mac already. If it isn't playing in Firefox either, it may be accidentally disabled or improperly installed.

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