Thank you for your report!

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might be caused by some outdated packages which were installed on your system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

no debug symbol package found for libfribidi0
gnome-control-center version 1:3.25.90-0ubuntu0~artful1 required, but 1:3.24.3-0ubuntu2 is available
no debug symbol package found for libphonenumber7
no debug symbol package found for gir1.2-freedesktop
no debug symbol package found for perl
gvfs-common version 1.33.90-0ubuntu0~artful1 required, but 1.32.1-0ubuntu1 is available
no debug symbol package found for gir1.2-gdkpixbuf-2.0
no debug symbol package found for base-files
libgnome-desktop-3-12 version 3.25.90-0ubuntu1~artful1 required, but 3.24.2-0ubuntu1 is available
no debug symbol package found for gir1.2-packagekitglib-1.0
libgtop2-common version 2.37.90-0ubuntu0~artful1 required, but 2.37.90-0ubuntu1 is available
libgtop-2.0-11 version 2.37.90-0ubuntu0~artful1 required, but 2.37.90-0ubuntu1 is available
gnome-control-center-faces version 1:3.25.90-0ubuntu0~artful1 required, but 1:3.24.3-0ubuntu2 is available
no debug symbol package found for gir1.2-secret-1
no debug symbol package found for libtag1v5
no debug symbol package found for libmagic-mgc
gvfs-libs version 1.33.90-0ubuntu0~artful1 required, but 1.32.1-0ubuntu1 is available
gvfs-daemons version 1.33.90-0ubuntu0~artful1 required, but 1.32.1-0ubuntu1 is available
no debug symbol package found for isc-dhcp-common
no debug symbol package found for gir1.2-glib-2.0
no debug symbol package found for gir1.2-gtk-3.0
gnome-settings-daemon-schemas version 3.25.90-0ubuntu0~artful1 required, but 3.24.3-0ubuntu2 is available
gnome-desktop3-data version 3.25.90-0ubuntu1~artful1 required, but 3.24.2-0ubuntu1 is available
no debug symbol package found for systemd-sysv
gvfs version 1.33.90-0ubuntu0~artful1 required, but 1.32.1-0ubuntu1 is available
no debug symbol package found for libavahi-common-data
no debug symbol package found for gir1.2-pango-1.0
gnome-settings-daemon version 3.25.90-0ubuntu0~artful1 required, but 3.24.3-0ubuntu2 is available
gnome-control-center-data version 1:3.25.90-0ubuntu0~artful1 required, but 1:3.24.3-0ubuntu2 is available
no debug symbol package found for libperl5.26
no debug symbol package found for gir1.2-atk-1.0
gvfs-backends version 1.33.90-0ubuntu0~artful1 required, but 1.32.1-0ubuntu1 is available
no debug symbol package found for debianutils
no debug symbol package found for libgdbm3
no debug symbol package found for dnsmasq-base
no debug symbol package found for gir1.2-notify-0.7
no debug symbol package found for perl-base
no debug symbol package found for perl-base
libbabeltrace-ctf1 version 1.2.1 required, but 1.5.3-1 is available
libbabeltrace1 version 1.2.1 required, but 1.5.3-1 is available
libpython3.6 version 3.6.0~b2 required, but 3.6.2-2 is available
libdw1 version 0.126 required, but 0.168-1 is available
no debug symbol package found for perl-base
libgtop-2.0-11 version 2.37.90-0ubuntu0~artful1 required, but 2.37.90-0ubuntu1 is available
gvfs-libs version 1.33.90-0ubuntu0~artful1 required, but 1.32.1-0ubuntu1 is available
libgnome-desktop-3-12 version 3.25.90-0ubuntu1~artful1 required, but 3.24.2-0ubuntu1 is available
gvfs version 1.33.90-0ubuntu0~artful1 required, but 1.32.1-0ubuntu1 is available
gnome-control-center version 1:3.25.90-0ubuntu0~artful1 required, but 1:3.24.3-0ubuntu2 is available


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!