Is Firefox 40.0.3 ignoring the Preferences file for videos?
I have a slow internet connection and use Firefox to get the youtube URL then copy/paste to youtube-dl to download the file. I watch it offline. This has worked ok until firefox 40.0.3. It appears to be ignoring the "always ask" preference and starts playing the video immediately.
Ọ̀nà àbáyọ tí a yàn
YouTube may have switched Linux users to its newer HTML5 player, which doesn't use Flash. If you right-click the player, you should get a short context menu. The last line of the short context menu should indicate whether it's the HTML5-based player or the Flash-based player. Or if you get Firefox's regular context menu, it's not Flash.
Short term workarounds:
(1) Use the Flash Control extension to stop HTML5 video (and Flash video) from auto-playing
(2) Force YouTube to serve Flash instead of HTML5. There are a couple add-ons for that. Either of them will do, you don't need both:
- https://addons.mozilla.org/firefox/addon/youtube-flash-player/
- https://addons.mozilla.org/firefox/addon/youtube-flash-video-player/
I have heard these don't work for YouTube embedded on other sites.
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Ọ̀nà àbáyọ Tí a Yàn
YouTube may have switched Linux users to its newer HTML5 player, which doesn't use Flash. If you right-click the player, you should get a short context menu. The last line of the short context menu should indicate whether it's the HTML5-based player or the Flash-based player. Or if you get Firefox's regular context menu, it's not Flash.
Short term workarounds:
(1) Use the Flash Control extension to stop HTML5 video (and Flash video) from auto-playing
(2) Force YouTube to serve Flash instead of HTML5. There are a couple add-ons for that. Either of them will do, you don't need both:
- https://addons.mozilla.org/firefox/addon/youtube-flash-player/
- https://addons.mozilla.org/firefox/addon/youtube-flash-video-player/
I have heard these don't work for YouTube embedded on other sites.
Security Issue: Update your Flash Player (Linux) Version 11.2.202.508
https://www.adobe.com/products/flashplayer/distribution3.html
See if there are updates for your graphics drivers
https://support.mozilla.org/kb/upgrade-graphics-drivers-use-hardware-acceleration
FredMcD said
Security Issue: Update your Flash Player (Linux) Version 11.2.202.508
https://www.adobe.com/products/flashplayer/distribution3.html
Again you might want to fix that as It has been 11.2.202.521 since Monday Sept 21 as 11.2.202.508 came out Aug 11.