OK. I removed Cairo-Dock + OpenGL from start-up programs and replace it with Cairo-Dock (without OpenGL).
Now it works. Kaffeine, Mplayer, Dragon Player and VLC encounter no problem. -- No view of the movie, just the sound https://bugs.launchpad.net/bugs/496011 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs