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Firefox ESR : video in supported format and MIME-type was not found.

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Firefox ESR : video in supported format and MIME-type was not found. https://vsx.mpchat.com/data/tmp/chat_161847892912.ogg This is a systematic problem with this browser. In other browsers, this AUDIO is played without problems! Dan

Firefox ESR : video in supported format and MIME-type was not found. https://vsx.mpchat.com/data/tmp/chat_161847892912.ogg This is a systematic problem with this browser. In other browsers, this AUDIO is played without problems! Dan
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