Hi, the subject says it all. It came out of nowhere, the only thing I remember is having used youtube-dl on this machine a singe time today. Firefox used the HTML5 player on youtube, now flash is back as the default player, and nothing helps to get rid of it. No downgrade, no upgrade, only the manual switch to HTML5 on the youtube config page. Next time, flash is back as the default player. However, after creating a new user, the default player is html5 for this one. Where is the config option, switch or whatever changes the default player in firefox back to html5 again? Thanks, Heinz -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines Have a question? Ask away: http://ask.fedoraproject.org