Hello, Thanks for reporting this. Are you using a proxy?
Seems a duplicate of bug #976533. ** Also affects: ubuntu-sso-client Importance: Undecided Status: New -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to software-center in Ubuntu. https://bugs.launchpad.net/bugs/1068680 Title: Software center do not start Status in Ubuntu Single Sign On Client: New Status in “software-center” package in Ubuntu: New Bug description: If I type software-center in the terminal, I get the following error and the program do not start: 2012-10-19 11:47:14,260 - softwarecenter.ui.gtk3.app - INFO - setting up proxy 'None' 2012-10-19 11:47:14,369 - softwarecenter.db.database - INFO - open() database: path=None use_axi=True use_agent=True 2012-10-19 11:47:17,104 - softwarecenter.fixme - WARNING - logs to the root logger: '('/usr/lib/python2.7/dist-packages/dbus/proxies.py', 410, '_introspect_error_handler')' 2012-10-19 11:47:17,104 - dbus.proxies - ERROR - Introspect error on com.ubuntu.sso:/com/ubuntu/sso/credentials: dbus.exceptions.DBusException: org.freedesktop.DBus.Error.Spawn.ChildExited: Process /usr/lib/ubuntu-sso-client/ubuntu-sso-login exited with status 1 Traceback (most recent call last): File "/usr/bin/software-center", line 130, in <module> app = SoftwareCenterAppGtk3(options, args) File "/usr/share/software-center/softwarecenter/ui/gtk3/app.py", line 337, in __init__ self.icons) File "/usr/share/software-center/softwarecenter/ui/gtk3/session/appmanager.py", line 66, in __init__ self.oauth_token = helper.find_oauth_token_sync() File "/usr/share/software-center/softwarecenter/backend/ubuntusso.py", line 139, in find_oauth_token_sync sso.find_credentials() File "/usr/share/software-center/softwarecenter/backend/login_impl/login_sso.py", line 75, in find_credentials self.proxy.find_credentials(self.appname, self._get_params()) File "/usr/lib/python2.7/dist-packages/dbus/proxies.py", line 70, in __call__ return self._proxy_method(*args, **keywords) File "/usr/lib/python2.7/dist-packages/dbus/proxies.py", line 145, in __call__ **keywords) File "/usr/lib/python2.7/dist-packages/dbus/connection.py", line 651, in call_blocking message, timeout) dbus.exceptions.DBusException: org.freedesktop.DBus.Error.Spawn.ChildExited: Process /usr/lib/ubuntu-sso-client/ubuntu-sso-login exited with status 1 ProblemType: Bug DistroRelease: Ubuntu 12.10 Package: software-center 5.4.1.2 ProcVersionSignature: Ubuntu 3.5.0-17.28-generic 3.5.5 Uname: Linux 3.5.0-17-generic i686 ApportVersion: 2.6.1-0ubuntu3 Architecture: i386 Date: Fri Oct 19 11:48:12 2012 InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release i386 (20121017.2) PackageArchitecture: all ProcEnviron: LANGUAGE=pt_BR: PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=pt_BR.UTF-8 SHELL=/bin/bash SourcePackage: software-center UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-sso-client/+bug/1068680/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp