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might be caused by some outdated packages which were installed on your system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 1:4.6.1-2ubuntu1, latest version: 1:4.6.1-4ubuntu1
libpixman-1-0-dbg: installed version 0.21.8-1ubuntu1, latest version: 0.22.2-1
mountall: installed version 2.26, latest version: 2.30
python-gobject-dbg: installed version 2.28.6-1, latest version: 2.28.6-2
libglapi-mesa-dbg: installed version 7.11~1-0ubuntu2, latest version: 7.11~1-0ubuntu3
gnome-control-center: installed version 1:3.0.2-1ubuntu7, latest version: 1:3.1.3-0ubuntu5
libudev0: installed version 171-0ubuntu4, latest version: 172-0ubuntu3
libgcc1-dbg: installed version 1:4.6.1-2ubuntu1, latest version: 1:4.6.1-4ubuntu1
python2.7: installed version 2.7.2-2, latest version: 2.7.2-3
libflac8: installed version 1.2.1-3, latest version: 1.2.1-4
libdbus-1-3: installed version 1.4.8-3ubuntu4, latest version: 1.4.12-4ubuntu2
apt: installed version 0.8.15.1ubuntu1, latest version: 0.8.13ubuntu2
libcups2: installed version 1.4.6-11, latest version: 1.4.7-1ubuntu1
libldap-2.4-2: installed version 2.4.25-1ubuntu1, latest version: 2.4.25-1.1ubuntu2
libgbm1: installed version 7.11~1-0ubuntu2, latest version: 7.11~1-0ubuntu3
gcc-4.6-base: installed version 4.6.1-2ubuntu1, latest version: 4.6.1-4ubuntu1
gnome-control-center-data: installed version 1:3.0.2-1ubuntu7, latest version: 1:3.1.3-0ubuntu5
libgl1-mesa-glx: installed version 7.11~1-0ubuntu2, latest version: 7.11~1-0ubuntu3
multiarch-support: installed version 2.13-9ubuntu1, latest version: 2.13-9ubuntu2
libpango1.0-0: installed version 1.28.4-0ubuntu2, latest version: 1.29.3-0ubuntu2
libgnome-control-center1: installed version 1:3.0.2-1ubuntu7, latest version: 1:3.1.3-0ubuntu5
libdbus-glib-1-2: installed version 0.94-2, latest version: 0.94-4
libgtk-3-common: installed version 3.1.6-0ubuntu4, latest version: 3.1.8-0ubuntu2
libgcrypt11-dbg: installed version 1.4.6-5ubuntu1, latest version: 1.5.0-1
dbus: installed version 1.4.8-3ubuntu4, latest version: 1.4.12-4ubuntu2
libglib2.0-0: installed version 2.29.8-0ubuntu1, latest version: 2.29.10-0ubuntu2
cpp-4.6: installed version 4.6.1-2ubuntu1, latest version: 4.6.1-4ubuntu1
libldap-2.4-2-dbg: installed version 2.4.25-1ubuntu1, latest version: 2.4.25-1.1ubuntu2
libffi6: installed version 3.0.10~rc8-5, latest version: 3.0.10~rc8-6
libc-bin: installed version 2.13-9ubuntu1, latest version: 2.13-9ubuntu2
python-gobject: installed version 2.28.6-1, latest version: 2.28.6-2
liborbit2: installed version 1:2.14.19-0ubuntu2, latest version: 1:2.14.19-0ubuntu3
libdbus-glib-1-2-dbg: installed version 0.94-2, latest version: 0.94-4
libgtk-3-0: installed version 3.1.6-0ubuntu4, latest version: 3.1.8-0ubuntu2
libffi6-dbg: installed version 3.0.10~rc8-5, latest version: 3.0.10~rc8-6
libpython2.7: installed version 2.7.2-2, latest version: 2.7.2-3
libgirepository-1.0-1: installed version 0.10.8-1ubuntu1, latest version: 1.29.0-0ubuntu2
libatk1.0-data: installed version 2.0.1-0ubuntu1, latest version: 2.0.1-2
desktop-file-utils: installed version 0.18-0ubuntu5, latest version: 0.18-0ubuntu6
libglapi-mesa: installed version 7.11~1-0ubuntu2, latest version: 7.11~1-0ubuntu3
sysv-rc: installed version 2.87dsf-4ubuntu25, latest version: 2.88dsf-13.10ubuntu4
libegl1-mesa-dbg: installed version 7.11~1-0ubuntu2, latest version: 7.11~1-0ubuntu3
libgnome-desktop-3-2: installed version 3.1.2-0ubuntu1, latest version: 3.1.3-0ubuntu1
libappindicator3-1: installed version 0.3.0-0ubuntu2, latest version: 0.3.90-0ubuntu1
libnspr4: installed version 4.8.7-0ubuntu2, latest version: 4.8.7-0ubuntu3
libgl1-mesa-glx-dbg: installed version 7.11~1-0ubuntu2, latest version: 7.11~1-0ubuntu3
python2.7-dbg: installed version 2.7.2-2, latest version: 2.7.2-3
gir1.2-glib-2.0: installed version 0.10.8-1ubuntu1, latest version: 1.29.0-0ubuntu2
udev: installed version 171-0ubuntu4, latest version: 172-0ubuntu3
sysvinit-utils: installed version 2.87dsf-4ubuntu25, latest version: 2.88dsf-13.10ubuntu4
gnome-desktop3-data: installed version 3.1.2-0ubuntu1, latest version: 3.1.3-0ubuntu1
libpixman-1-0: installed version 0.21.8-1ubuntu1, latest version: 0.22.2-1
libegl1-mesa: installed version 7.11~1-0ubuntu2, latest version: 7.11~1-0ubuntu3
libupower-glib1: installed version 0.9.11-1, latest version: 0.9.12-1
initramfs-tools: installed version 0.98.8ubuntu4, latest version: 0.99ubuntu2
libstdc++6: installed version 4.6.1-2ubuntu1, latest version: 4.6.1-4ubuntu1
libc6-dbg: installed version 2.13-9ubuntu1, latest version: 2.13-9ubuntu2
libgbm1-dbg: installed version 7.11~1-0ubuntu2, latest version: 7.11~1-0ubuntu3
libc6: installed version 2.13-9ubuntu1, latest version: 2.13-9ubuntu2
python2.7-minimal: installed version 2.7.2-2, latest version: 2.7.2-3
gnome-settings-daemon: installed version 3.1.3-0ubuntu2, latest version: 3.1.3-0ubuntu5
libpango1.0-0-dbg: installed version 1.28.4-0ubuntu2, latest version: 1.29.3-0ubuntu2
libgtk-3-0-dbg: installed version 3.1.6-0ubuntu4, latest version: 3.1.8-0ubuntu2
libgcrypt11: installed version 1.4.6-5ubuntu1, latest version: 1.5.0-1
initramfs-tools-bin: installed version 0.98.8ubuntu4, latest version: 0.99ubuntu2
debianutils: installed version 3.4.3ubuntu1, latest version: 4.0.2
initscripts: installed version 2.87dsf-4ubuntu25, latest version: 2.88dsf-13.10ubuntu4
libgtk-3-bin: installed version 3.1.6-0ubuntu4, latest version: 3.1.8-0ubuntu2
libatk1.0-0: installed version 2.0.1-0ubuntu1, latest version: 2.0.1-2
gconf2-common: installed version 2.32.4-1ubuntu2, latest version: 3.1.3-0ubuntu1
libgudev-1.0-0: installed version 1:171-0ubuntu4, latest version: 1:172-0ubuntu3
libnspr4-dbg: installed version 4.8.7-0ubuntu2, latest version: 4.8.7-0ubuntu3
libgconf2-4: installed version 2.32.4-1ubuntu2, latest version: 3.1.3-0ubuntu1
libglib2.0-0-dbg: installed version 2.29.8-0ubuntu1, latest version: 2.29.10-0ubuntu2
perl-base: installed version 5.12.4-1ubuntu1, latest version: 5.12.4-1ubuntu2


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!