As described in the previous comments, your report lacks the information
we need to investigate the problem further. We'll close this report for
now - please reopen it if you can give us the missing information.
** Changed in: gnome-control-center (Ubuntu)
Status: Incomplete => Invalid
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Thank you for your bug. Do you have gtk-qt-engine installed? Does it
happen without it?
** Changed in: gnome-control-center (Ubuntu)
Importance: Undecided => Medium
Assignee: (unassigned) => Ubuntu Desktop Bugs
Status: New => Incomplete
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gnome-appearance-properties crashed with