Comment 4 for bug 791007

Thank you for taking the time to report this bug (and to translate it, hopefully I got it correct for the bug title) and helping to make Ubuntu better. Please try to obtain a backtrace following the instructions at http://wiki.ubuntu.com/DebuggingProgramCrash and upload the backtrace (as an attachment) to the bug report. This will greatly help us in tracking down your problem.