I did the trick simply by removing: .mozilla/plugins Maybe .mozilla/plugins was created by an old version of nspluginwrapper and not needed anymore.
-- gutsy amd64: flashplugin-nonfree not working https://bugs.launchpad.net/bugs/133452 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs