Same problem here: Firefox won't start anymore, giving the message
/usr/lib/firefox-4.0.1/firefox-bin: symbol lookup error: /usr/lib/mozilla/plugins/libvlcplugin.so: undefined symbol: NPP_Initialize -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/722690 Title: error: /usr/lib/mozilla/plugins/libvlcplugin.so: undefined symbol: NPP_Initialize -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs