Thank you for your report! 

However, processing it in order to get sufficient information for the
developers failed (it does not generate an useful symbolic stack trace). This
might be caused by some outdated packages which were installed on your system
at the time of the report:

libgcc1: installed version 1:4.4.3-3ubuntu3, latest version: 1:4.4.3-4ubuntu4
libuuid1: installed version 2.17-0ubuntu3, latest version: 2.17.2-0ubuntu1
libk5crypto3: installed version 1.8+dfsg~alpha1-7, latest version: 1.8+dfsg~alpha1-7ubuntu1
libudev0: installed version 151-5, latest version: 151-6
libxrandr2: installed version 2:1.3.0-2build1, latest version: 2:1.3.0-3
libcups2: installed version 1.4.2-9, latest version: 1.4.2-10
libpango1.0-common: installed version 1.26.2-1, latest version: 1.26.2-1ubuntu1
sysv-rc: installed version 2.87dsf-4ubuntu15, latest version: 2.87dsf-4ubuntu16
libgtk2.0-common: installed version 2.19.7-0ubuntu1, latest version: 2.20.0-0ubuntu2
klibc-utils: installed version 1.5.15-1ubuntu4, latest version: 1.5.17-4ubuntu1
libpango1.0-0: installed version 1.26.2-1, latest version: 1.26.2-1ubuntu1
gvfs: installed version 1.5.5-0ubuntu1, latest version: 1.5.5-0ubuntu2
libglib2.0-0: installed version 2.23.5-1ubuntu3, latest version: 2.23.6-1ubuntu1
libgail18: installed version 2.19.7-0ubuntu1, latest version: 2.20.0-0ubuntu2
libklibc: installed version 1.5.15-1ubuntu4, latest version: 1.5.17-4ubuntu1
libgtk2.0-bin: installed version 2.19.7-0ubuntu1, latest version: 2.20.0-0ubuntu2
cpp-4.4: installed version 4.4.3-3ubuntu3, latest version: 4.4.3-4ubuntu4
libc-bin: installed version 2.11.1-0ubuntu4, latest version: 2.11.1-0ubuntu5
libxi6: installed version 2:1.3-2, latest version: 2:1.3-3
libgvfscommon0: installed version 1.5.5-0ubuntu1, latest version: 1.5.5-0ubuntu2
libgssapi-krb5-2: installed version 1.8+dfsg~alpha1-7, latest version: 1.8+dfsg~alpha1-7ubuntu1
util-linux: installed version 2.17-0ubuntu3, latest version: 2.17.2-0ubuntu1
libgnome-keyring0: installed version 2.29.4git20100224-0ubuntu2, latest version: 2.29.4git20100322-0ubuntu2
udev: installed version 151-5, latest version: 151-6
mount: installed version 2.17-0ubuntu3, latest version: 2.17.2-0ubuntu1
rhythmbox: installed version 0.12.7-0ubuntu7, latest version: 0.12.7git20100325-0ubuntu1
libstdc++6: installed version 4.4.3-3ubuntu3, latest version: 4.4.3-4ubuntu4
libc6: installed version 2.11.1-0ubuntu4, latest version: 2.11.1-0ubuntu5
libblkid1: installed version 2.17-0ubuntu3, latest version: 2.17.2-0ubuntu1
gcc-4.4-base: installed version 4.4.3-3ubuntu3, latest version: 4.4.3-4ubuntu4
libgtk2.0-0: installed version 2.19.7-0ubuntu1, latest version: 2.20.0-0ubuntu2
sysvinit-utils: installed version 2.87dsf-4ubuntu15, latest version: 2.87dsf-4ubuntu16
libkrb5-3: installed version 1.8+dfsg~alpha1-7, latest version: 1.8+dfsg~alpha1-7ubuntu1
libcomerr2: installed version 1.41.10-1ubuntu3, latest version: 1.41.11-1ubuntu1
initscripts: installed version 2.87dsf-4ubuntu15, latest version: 2.87dsf-4ubuntu16
libatk1.0-0: installed version 1.29.92-0ubuntu1, latest version: 1.29.92-0ubuntu2
libgudev-1.0-0: installed version 1:151-5, latest version: 1:151-6
libkrb5support0: installed version 1.8+dfsg~alpha1-7, latest version: 1.8+dfsg~alpha1-7ubuntu1


Please upgrade your system to the latest package versions. If you still
encounter the crash, please file a new report.

Thank you for your understanding, and sorry for the inconvenience!