unity-tweak-tool crashed with signal 5 in g_settings_get_value()

[mario]

does not work.
is installed but will not start

ProblemType: Crash
DistroRelease: Ubuntu 14.04
Package: unity-tweak-tool 0.0.6
ProcVersionSignature: Ubuntu 3.13.0-9.29-generic 3.13.3
Uname: Linux 3.13.0-9-generic i686
NonfreeKernelModules: nvidia
ApportVersion: 2.13.2-0ubuntu4
Architecture: i386
CrashCounter: 1
CurrentDesktop: Unity
Date: Tue Feb 18 20:41:09 2014
EcryptfsInUse: Yes
ExecutablePath: /usr/bin/unity-tweak-tool
InstallationDate: Installed on 2013-12-04 (76 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Alpha i386 (20130314)
InterpreterPath: /usr/bin/python3.4
PackageArchitecture: all
ProcCmdline: /usr/bin/python3 /usr/bin/unity-tweak-tool
Signal: 5
SourcePackage: unity-tweak-tool
StacktraceTop:
 ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
 ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
 g_settings_get_value () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
 g_settings_get_boolean () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
 ffi_call_SYSV () from /usr/lib/i386-linux-gnu/libffi.so.6
Title: unity-tweak-tool crashed with signal 5 in g_settings_get_value()
UpgradeStatus: Upgraded to trusty on 2013-12-20 (60 days ago)
UserGroups: adm cdrom debian-tor 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 #1281310, 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.