Not sure if that's the issue but valgrind shows those errors

==1528== Conditional jump or move depends on uninitialised value(s)
==1528==    at 0x174D12BC: ag_auth_data_unref (ag-auth-data.c:185)
==1528==    by 0x95F3AD4: ap_oauth_plugin_dispose (oauth-plugin.c:855)
==1528==    by 0x49C6237: g_object_unref (gobject.c:3075)
==1528==    by 0x95D6A00: cc_credentials_account_details_page_finalize 
(cc-credentials-account-details-page.c:2332)
==1528==    by 0x49C62C7: g_object_unref (gobject.c:3112)
==1528==    by 0x95DACD9: cc_credentials_accounts_page_finalize 
(cc-credentials-accounts-page.c:1048)
==1528==    by 0x49C62C7: g_object_unref (gobject.c:3112)
==1528==    by 0x49C82BE: g_object_run_dispose (gobject.c:1075)
==1528==    by 0x4386430: gtk_widget_destroy (gtkwidget.c:4268)
==1528==    by 0x42684BE: gtk_notebook_forall (gtknotebook.c:4457)
==1528==    by 0x419987E: gtk_container_foreach (gtkcontainer.c:2154)
==1528==    by 0x419A933: gtk_container_destroy (gtkcontainer.c:1403)
==1528==    by 0x42735AD: gtk_notebook_destroy (gtknotebook.c:1711)
==1528==    by 0x49C36B2: g_cclosure_marshal_VOID__VOID (gmarshal.c:85)
==1528==    by 0x49C05A3: g_type_class_meta_marshal (gclosure.c:961)
==1528==    by 0x49C19F1: g_closure_invoke (gclosure.c:768)
==1528==    by 0x49D41A0: signal_emit_unlocked_R (gsignal.c:3667)
==1528==    by 0x49DB962: g_signal_emit_valist (gsignal.c:3307)
==1528==    by 0x49DBBF2: g_signal_emit (gsignal.c:3363)
==1528==    by 0x4394A0F: gtk_widget_dispose (gtkwidget.c:11279)
==1528==    by 0x49C82B6: g_object_run_dispose (gobject.c:1073)
==1528==    by 0x4386430: gtk_widget_destroy (gtkwidget.c:4268)
==1528==    by 0x4146DFE: gtk_bin_forall (gtkbin.c:171)
==1528==    by 0x419987E: gtk_container_foreach (gtkcontainer.c:2154)
==1528==    by 0x419A933: gtk_container_destroy (gtkcontainer.c:1403)
==1528==    by 0x49C36B2: g_cclosure_marshal_VOID__VOID (gmarshal.c:85)
==1528==    by 0x49C05A3: g_type_class_meta_marshal (gclosure.c:961)
==1528==    by 0x49C19F1: g_closure_invoke (gclosure.c:768)
==1528==    by 0x49D41A0: signal_emit_unlocked_R (gsignal.c:3667)
==1528==    by 0x49DB962: g_signal_emit_valist (gsignal.c:3307)

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to gnome-control-center-signon in Ubuntu.
https://bugs.launchpad.net/bugs/1290034

Title:
  unity-control-center crashed with SIGSEGV in __libc_calloc()

Status in “gnome-control-center-signon” package in Ubuntu:
  Confirmed

Bug description:
  1) The sequence wich conducts to this bug report:
  Open "System Settings"
  Click on "Online Accounts"
  Setup Google account
  Click on "All Settings"
  Click on "Security & Privacy"

  Then the security panel did not open, system settings stcuked and
  crashed generating this bug report.

  2) Bug is reproductable:
  Open "System Settings"
  Click on "Online Accounts"
  Click on "All Settings"
  Click on "Security & Privacy"
  Then the "System Settings" panel close automatically

  3) Observations:
  - If you open "Security & Privacy" once before going to "Online Accounts" the 
bug does not happen.
  - If the bug is not reproductable try switching On or Off the google account 
before going to "Security & Privacy"
  - I did not try with any other type of online account else than the Google one
  - It might even not correlated with an online account, maybe the switch 
"Online Accounts" to "Security & Privacy" is the root cause
  - My system was a complete fresh install, it was the first power up and 
configuration, without anything else intsalled before except Chromium

  ProblemType: Crash
  DistroRelease: Ubuntu 14.04
  Package: unity-control-center 14.04.3+14.04.20140305.1-0ubuntu1
  ProcVersionSignature: Ubuntu 3.13.0-16.36-generic 3.13.5
  Uname: Linux 3.13.0-16-generic x86_64
  ApportVersion: 2.13.3-0ubuntu1
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Sun Mar  9 10:36:14 2014
  ExecutablePath: /usr/bin/unity-control-center
  InstallationDate: Installed on 2014-03-09 (0 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140309)
  ProcCmdline: unity-control-center --overview
  ProcEnviron:
   LANGUAGE=en_CA:en
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_CA.UTF-8
   SHELL=/bin/bash
  SegvAnalysis:
   Segfault happened at: 0x7f446183df75 <__libc_calloc+213>:    mov    
(%rax),%rdx
   PC (0x7f446183df75) ok
   source "(%rax)" (0x7f4424000000) not located in a known VMA region (needed 
readable region)!
   destination "%rdx" ok
  SegvReason: reading unknown VMA
  Signal: 11
  SourcePackage: unity-control-center
  StacktraceTop:
   __libc_calloc (n=<optimized out>, elem_size=<optimized out>) at malloc.c:3222
   ?? ()
   ?? ()
   ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
   gtk_tree_view_get_model@plt ()
  Title: unity-control-center crashed with SIGSEGV in __libc_calloc()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  usr_lib_unity-control-center:
   activity-log-manager 0.9.7-0ubuntu10
   deja-dup             29.5-0ubuntu2

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