gnome-control-center crashed with SIGSEGV in ffi_call_unix64(). Crash whent i want to unlock user preferences in settings app

[winninglero]

App crash whent i want to unlock user preferences in settings app in order to delete my old system account

ProblemType: Crash
DistroRelease: Ubuntu 17.10
Package: gnome-control-center 1:3.25.92.1-0ubuntu2
ProcVersionSignature: Ubuntu 4.12.0-13.14-generic 4.12.10
Uname: Linux 4.12.0-13-generic x86_64
ApportVersion: 2.20.7-0ubuntu1
Architecture: amd64
CrashCounter: 1
CurrentDesktop: ubuntu:GNOME
Date: Wed Sep 13 16:39:10 2017
ExecutablePath: /usr/bin/gnome-control-center
InstallationDate: Installed on 2017-04-14 (152 days ago)
InstallationMedia: Ubuntu-GNOME 17.04 "Zesty Zapus" - Release amd64 (20170412)
ProcCmdline: gnome-control-center --overview
SegvAnalysis:
 Segfault happened at: 0x7fb571843499: cmpq $0x0,0x58(%rax)
 PC (0x7fb571843499) ok
 source "$0x0" ok
 destination "0x58(%rax)" (0x00000058) not located in a known VMA region (needed writable region)!
SegvReason: writing NULL VMA
Signal: 11
SourcePackage: gnome-control-center
StacktraceTop:
 ?? () from /usr/lib/x86_64-linux-gnu/libnm.so.0
 ffi_call_unix64 () from /usr/lib/x86_64-linux-gnu/libffi.so.6
 ffi_call () from /usr/lib/x86_64-linux-gnu/libffi.so.6
 g_cclosure_marshal_generic () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
Title: gnome-control-center crashed with SIGSEGV in ffi_call_unix64()
UpgradeStatus: Upgraded to artful on 2017-09-04 (9 days ago)
UserGroups: adm lpadmin 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 #1704618, 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.