unity-control-center crashed with SIGSEGV in g_type_check_instance_is_fundamentally_a()

[nassem]

unity-control-center crashed with SIGSEGV in g_type_check_instance_is_fundamentally_a()
this error after iupgrade ubuntu 14.10

ProblemType: Crash
DistroRelease: Ubuntu 14.10
Package: unity-control-center 14.10.0+14.10.20140604-0ubuntu2
ProcVersionSignature: Ubuntu 3.15.0-6.11-generic 3.15.0
Uname: Linux 3.15.0-6-generic i686
ApportVersion: 2.14.3-0ubuntu2
Architecture: i386
CurrentDesktop: Unity
Date: Mon Jul 21 12:20:25 2014
ExecutablePath: /usr/bin/unity-control-center
InstallationDate: Installed on 2014-05-30 (52 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release i386 (20140417)
ProcCmdline: unity-control-center --overview
SegvAnalysis:
 Segfault happened at: 0xb6e2c93d <g_type_check_instance_is_fundamentally_a+45>: movzbl 0xc(%eax),%edx
 PC (0xb6e2c93d) ok
 source "0xc(%eax)" (0x0000000c) not located in a known VMA region (needed readable region)!
 destination "%edx" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: unity-control-center
StacktraceTop:
 g_type_check_instance_is_fundamentally_a () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
 g_object_unref () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
 ?? () from /usr/lib/i386-linux-gnu/unity-control-center-1/panels/libappearance.so
 g_type_create_instance () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
 ?? () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
Title: unity-control-center crashed with SIGSEGV in g_type_check_instance_is_fundamentally_a()
UpgradeStatus: Upgraded to utopic on 2014-07-21 (0 days ago)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
usr_lib_unity-control-center:
 activity-log-manager 0.9.7-0ubuntu14
 deja-dup 30.0-0ubuntu6

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make this software better. This particular crash has already been reported and is a duplicate of bug #1335438, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.