Re: Firefox and videos

What OS are you using? Version of OS? Firefox version?

Any installed addons or extensions?

Have you done the almighty uninstall and re-install of Firefox(with a backup of your bookmarks first, of course) ?

Could be the flash player plugin. Try to re-install Flash yet?

Have you followed this guide: https://support.mozilla.org/en-US/kb/keep-flash-up-to-date-and-troubleshoot-p...