I tested again, this time, I checked the USB cable and noticed it was disconnected :S
Now, everything works fine. Another information that my be userfull, I have also a TV-Card in my PC : PInnacle PCTV Stereo. -- Floating point exception https://bugs.launchpad.net/bugs/98519 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