Firefox won't play videos
Whenever I try to play videos on Firefox, the elements don't load right and no video will begin. On Youtube, this is usually either a blank page with no video element, or I get an error stating that the video can't be played. On Twitch, I get the streamer's default 'not streaming' message, even if they are live, and VODs don't work. I have several extensions to protect privacy and block ads, but even if they are all turned off I still have this problem. I've also tried turning my VPN off and on, and setting it to various different locations. Nothing works. I can watch videos on another browser without issue. My extensions: Facebook Container Privacy Badger Flash Block Plus SponsorBlock Bypass Paywalls Outline AdNauseum
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Install the Media Feature Pack if applicable.
Does it still happen in Troubleshoot Mode?
The Media Feature Pack doesn't show up in either my installed optional features or the list of optional features I can add. I *think* I may have it installed already but I'm not certain. I tried running Firefox in Troubleshoot mode and I was able to run Youtube normally.
Are you sure it still happens with all extensions disabled?
Try updating your graphics drivers from the manufacturer's site. If it still happens, you may need to disable hardware acceleration.