有人遇到过ubuntu软件中心不能打开的情况吗，遇到ubuntu软件中心,昨天软件中心打不开了，我

有人遇到过ubuntu软件中心不能打开的情况吗，遇到ubuntu软件中心,昨天软件中心打不开了，我

昨天软件中心打不开了，我执行 sudo software-center后，出现以下提示：

*2014-01-03 01:08:04,457 - softwarecenter.ui.gtk3.app - INFO - setting up proxy 'None'2014-01-03 01:08:04,675 - softwarecenter.fixme - WARNING - logs to the root logger: '('/usr/lib/python2.7/dist-packages/dbus/proxies.py', 410, '_introspect_error_handler')'2014-01-03 01:08:04,675 - 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 1Traceback (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 338, 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 141, in find_oauth_token_syncsso.find_credentials()File "/usr/share/software-center/softwarecenter/backend/login_impl/login_sso.py", line 75, in find_credentialsself.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_blockingmessage, timeout)dbus.exceptions.DBusException: org.freedesktop.DBus.Error.Spawn.ChildExited: Process /usr/lib/ubuntu-sso-client/ubuntu-sso-login exited with status 1*

有没有人遇到过同样问题？

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