Purging all old Flash packages and installing flashplugin64-installer from the PPA:
https://launchpad.net/~sevenmachines/+archive/flash Solves the problem for me. ** Changed in: firefox (Ubuntu) Status: New => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/748764 Title: npviewer flash video is blocky -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
