Thanks for your bug report. Looks like a ubuntulooks crash from the debug backtrace. Attaching it.
** Changed in: control-center (Ubuntu)
Sourcepackagename: control-center => ubuntulooks
Importance: Undecided => Medium
Assignee: (unassigned) => Ubuntu Desktop Bugs
Status: Unconfirmed => Confirmed
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gnome display properties crashed
https://launchpad.net/bugs/88830
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