I have installed ubuntun 16.04 and adobe flash player. I have also enabled html5 in youtube. Still I get following messages for lots of youtube videos. Some of videos play but lots of doesn't. I also have problem to play facebook videos. None of the facebook videos play on firefox. Am I missing some settings? Whats the solution for this?

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  • What version of Firefox are you using? – Chai T. Rex Jan 29 '18 at 22:30
  • latest version 58 – asdfkjasdfjk Jan 30 '18 at 3:52

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