QuickTime will not play on a new iMac (it works in Safari and iTunes, but not Firefox)

I have the latest update of Firefox, the latest version of Quicktime and the last OSX (El Capitan) on the new Mac.

I also deleted all the history, cache, cookies, etc and restarted.

I always get the same message - that I need to "Download Quicktime".

Well, this seems to be a new thing of El Capitan. You need to take special measures to activate the plugin browser according to an Apple support article:

A small number of Web pages older still rely on the web inherited from QuickTime 7 plugin to play the media. In OS X El Capitan, this plug-in is no longer enabled.

Source: If your web browser shows that it lacks the QuickTime plug-ins - Apple Support

The article continues to describe where you can find the plugins and move them to a folder that Firefox will check. This is help on your system?

Tags: Firefox

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