unity-applications-daemon crashed with SIGSEGV in dee_model_remove()

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Unity-applications-lens was hang when I tried to find and execute CompizConfig Settings Manager

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: unity-lens-applications 5.4.0-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-17.26-generic-pae 3.2.6
Uname: Linux 3.2.0-17-generic-pae i686
NonfreeKernelModules: nvidia
ApportVersion: 1.93-0ubuntu2
Architecture: i386
Date: Sat Feb 25 07:11:31 2012
ExecutablePath: /usr/lib/unity-lens-applications/unity-applications-daemon
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha i386 (20120224)
ProcCmdline: /usr/lib/unity-lens-applications/unity-applications-daemon
SegvAnalysis:
 Segfault happened at: 0xb762a978: mov (%edi,%esi,4),%eax
 PC (0xb762a978) ok
 source "(%edi,%esi,4)" (0x00000000) not located in a known VMA region (needed readable region)!
 destination "%eax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: unity-lens-applications
StacktraceTop:
 ?? () from /usr/lib/libdee-1.0.so.4
 ?? () from /usr/lib/libdee-1.0.so.4
 dee_model_remove () from /usr/lib/libdee-1.0.so.4
 ?? () from /usr/lib/libdee-1.0.so.4
 dee_model_remove () from /usr/lib/libdee-1.0.so.4
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[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 #939383, 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.