Hi, you have two versions of flash, this could be the problem, could you try to remove all flash versions? and try to install or reinstall the adobe flash player, with this command in a terminal.
$ sudo apt-get install --reinstall flashplugin-nonfree Thanks! -- sometimes firefox is not able to play youtube videos https://bugs.launchpad.net/bugs/516389 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
