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Video will not play on Firefox

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I cannot get any video to play on Firefox. I am running it on Windows 10. I have tried video on Facebook and YouTube, nothing plays. I get a blue circle rotating on the screen as if it is trying to load, nothing loads up. I have tried playing video using Microsoft Edge on my computer and all video works there.

I cannot get any video to play on Firefox. I am running it on Windows 10. I have tried video on Facebook and YouTube, nothing plays. I get a blue circle rotating on the screen as if it is trying to load, nothing loads up. I have tried playing video using Microsoft Edge on my computer and all video works there.

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Did you try in safe mode? What do you see here? see screenshot