signon-ui crashed with SIGSEGV in exit()

[sriranga(76yrsold)]

when tried to install packages under "about this computer" ubuntu 12.10 64 bit Dell

ProblemType: Crash
DistroRelease: Ubuntu 12.10
Package: signon-ui 0.10-0ubuntu1
ProcVersionSignature: Ubuntu 3.5.0-15.23-generic 3.5.4
Uname: Linux 3.5.0-15-generic x86_64
ApportVersion: 2.5.2-0ubuntu4
Architecture: amd64
Date: Tue Sep 25 21:59:12 2012
ExecutablePath: /usr/bin/signon-ui
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Alpha amd64 (20120916)
ProcCmdline: /usr/bin/signon-ui
ProcEnviron:
 SHELL=/bin/bash
 PATH=(custom, no user)
 LANGUAGE=en_IN:en
 LANG=en_IN
Signal: 11
SourcePackage: signon-ui
StacktraceTop:
 ?? () from /usr/lib/x86_64-linux-gnu/libQtNetwork.so.4
 ?? () from /lib/x86_64-linux-gnu/libc.so.6
 exit () from /lib/x86_64-linux-gnu/libc.so.6
 __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
 ?? ()
Title: signon-ui crashed with SIGSEGV in exit()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[sriranga(76yrsold) (withblessings)]

tried to upadate using command as sudo apt-get update. extract of terminal is reproduced below:
dell@dell-OptiPlex-330:~$ sudo apt-get updates
[sudo] password for dell:
E: Invalid operation updates
dell@dell-OptiPlex-330:~$ sudo apt-get update
Ign cdrom://Ubuntu 12.04.1 LTS _Precise Pangolin_ - Release i386 (20120817.3) precise InRelease
Ign http://extras.ubuntu.com quantal InRelease
Ign http://archive.ubuntu.com quantal InRelease
Hit http://extras.ubuntu.com quantal Release.gpg
Ign http://archive.ubuntu.com quantal-updates InRelease
Hit http://extras.ubuntu.com quantal Release
Ign http://archive.ubuntu.com quantal-backports InRelease
Hit http://extras.ubuntu.com quantal/main Sources
Ign http://archive.ubuntu.com quantal-security InRelease
Hit http://extras.ubuntu.com quantal/main amd64 Packages
Ign http://archive.ubuntu.com quantal-proposed InRelease
Hit http://extras.ubuntu.com quantal/main i386 Packages
Hit http://archive.ubuntu.com quantal Release.gpg
Hit http://archive.ubuntu.com quantal-updates Release.gpg
Hit http://archive.ubuntu.com quantal-backports Release.gpg
Hit http://archive.ubuntu.com quantal-security Release.gpg
Hit http://archive.ubuntu.com quantal-proposed Release.gpg
Hit http://archive.ubuntu.com quantal Release
Hit http://archive.ubuntu.com quantal-updates Release
Hit http://archive.ubuntu.com quantal-backports Release
Hit http://archive.ubuntu.com quantal-security Release
Ign http://extras.ubuntu.com quantal/main Translation-en_IN
Hit http://archive.ubuntu.com quantal-proposed Release
Ign http://extras.ubuntu.com quantal/main Translation-en
Hit http://archive.ubuntu.com quantal/main Sources
Hit http://archive.ubuntu.com quantal/restricted Sources
Hit http://archive.ubuntu.com quantal/universe Sources
Hit http://archive.ubuntu.com quantal/multiverse Sources
Hit http://archive.ubuntu.com quantal/main amd64 Packages
Hit http://archive.ubuntu.com quantal/restricted amd64 Packages
Hit http://archive.ubuntu.com quantal/universe amd64 Packages
Hit http://archive.ubuntu.com quantal/multiverse amd64 Packages
Hit http://archive.ubuntu.com quantal/main i386 Packages
Hit http://archive.ubuntu.com quantal/restricted i386 Packages
Hit http://archive.ubuntu.com quantal/universe i386 Packages
Hit http://archive.ubuntu.com quantal/multiverse i386 Packages
Hit http://archive.ubuntu.com quantal/main Translation-en
Hit http://archive.ubuntu.com quantal/multiverse Translation-en
Hit http://archive.ubuntu.com quantal/restricted Translation-en
Hit http://archive.ubuntu.com quantal/universe Translation-en
Hit http://archive.ubuntu.com quantal-updates/main Sources
Hit http://archive.ubuntu.com quantal-updates/restricted Sources
Hit http://archive.ubuntu.com quantal-updates/universe Sources
Hit http://archive.ubuntu.com quantal-updates/multiverse Sources
Hit http://archive.ubuntu.com quantal-updates/main amd64 Packages
Hit http://archive.ubuntu.com quantal-updates/restricted amd64 Packages
Hit http://archive.ubuntu.com quantal-updates/universe amd64 Packages
Hit http://archive.ubuntu.com quantal-updates/multiverse amd64 Packages
Hit http:/...

[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 #1053444, 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.