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Flash HTML 5.0 is not working firefox 56.0 64 bit.

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I keep getting a screen that states HTML 5.0 will not work in this browser. I then brings up the Firefox download page. I have re-installed Firefox 4 times. still, doesn't work.

I keep getting a screen that states HTML 5.0 will not work in this browser. I then brings up the Firefox download page. I have re-installed Firefox 4 times. still, doesn't work.

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Could you please expand on this issue and tell us more as not fully understanding your issue. When does this happen ? What pages does this happen on ? Do you have a screen shot or can you supply one ? The more information you supply the better we can try to help solve your issue.

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Let me start by saying that Flash and HTML5 are two different technologies.

Flash-formatted media plays in a plugin. Your Firefox reported that it has Flash 27, but individual sites may need permission to use it. Please see this article for more details: Why do I have to click to activate plugins?

Firefox's built-in HTML5 player can play other formats of media. Here's a general article as a starting point for problems with HTML5 players: Fix video and audio problems on Firefox for Windows N editions.