Public bug reported: i can't installl any package from software center. and it automatically closes whenever i try to install a software from it.
i updated my ubuntu to the 13 th version now itself the terminal output is message, timeout) dbus.exceptions.DBusException: org.freedesktop.DBus.Error.Spawn.ChildExited: Launch helper exited with unknown return code 1 Traceback (most recent call last): File "/usr/lib/python2.7/dist-packages/defer/__init__.py", line 489, in _inline_callbacks result = gen.send(result) File "/usr/lib/python2.7/dist-packages/aptdaemon/client.py", line 1614, in _run_transaction_helper daemon = get_aptdaemon(self.bus) File "/usr/lib/python2.7/dist-packages/aptdaemon/client.py", line 1689, in get_aptdaemon False), File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 241, in get_object follow_name_owner_changes=follow_name_owner_changes) File "/usr/lib/python2.7/dist-packages/dbus/proxies.py", line 248, in __init__ self._named_service = conn.activate_name_owner(bus_name) File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 180, in activate_name_owner self.start_service_by_name(bus_name) File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 278, in start_service_by_name 'su', (bus_name, flags))) 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: Launch helper exited with unknown return code 1 2013-07-28 15:40:46,875 - softwarecenter.db.pkginfo_impl.aptcache - ERROR - simulate failed Traceback (most recent call last): File "/usr/lib/python2.7/dist-packages/aptdaemon/client.py", line 1585, in on_error error.raise_exception() File "/usr/lib/python2.7/dist-packages/defer/__init__.py", line 489, in _inline_callbacks result = gen.send(result) File "/usr/lib/python2.7/dist-packages/aptdaemon/client.py", line 1614, in _run_transaction_helper daemon = get_aptdaemon(self.bus) File "/usr/lib/python2.7/dist-packages/aptdaemon/client.py", line 1689, in get_aptdaemon False), File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 241, in get_object follow_name_owner_changes=follow_name_owner_changes) File "/usr/lib/python2.7/dist-packages/dbus/proxies.py", line 248, in __init__ self._named_service = conn.activate_name_owner(bus_name) File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 180, in activate_name_owner self.start_service_by_name(bus_name) File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 278, in start_service_by_name 'su', (bus_name, flags))) File "/usr/lib/python2.7/dist-packages/dbus/connection.py", line 651, in call_blocking message, timeout) DBusException: org.freedesktop.DBus.Error.Spawn.ChildExited: Launch helper exited with unknown return code 1 Traceback (most recent call last): File "/usr/lib/python2.7/dist-packages/defer/__init__.py", line 489, in _inline_callbacks result = gen.send(result) File "/usr/lib/python2.7/dist-packages/aptdaemon/client.py", line 1614, in _run_transaction_helper daemon = get_aptdaemon(self.bus) File "/usr/lib/python2.7/dist-packages/aptdaemon/client.py", line 1689, in get_aptdaemon False), File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 241, in get_object follow_name_owner_changes=follow_name_owner_changes) File "/usr/lib/python2.7/dist-packages/dbus/proxies.py", line 248, in __init__ self._named_service = conn.activate_name_owner(bus_name) File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 180, in activate_name_owner self.start_service_by_name(bus_name) File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 278, in start_service_by_name 'su', (bus_name, flags))) 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: Launch helper exited with unknown return code 1 Traceback (most recent call last): File "/usr/lib/python2.7/dist-packages/defer/__init__.py", line 489, in _inline_callbacks result = gen.send(result) File "/usr/lib/python2.7/dist-packages/aptdaemon/client.py", line 1614, in _run_transaction_helper daemon = get_aptdaemon(self.bus) File "/usr/lib/python2.7/dist-packages/aptdaemon/client.py", line 1689, in get_aptdaemon False), File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 241, in get_object follow_name_owner_changes=follow_name_owner_changes) File "/usr/lib/python2.7/dist-packages/dbus/proxies.py", line 248, in __init__ self._named_service = conn.activate_name_owner(bus_name) File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 180, in activate_name_owner self.start_service_by_name(bus_name) File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 278, in start_service_by_name 'su', (bus_name, flags))) 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: Launch helper exited with unknown return code 1 dbus.exceptions.DBusException: org.freedesktop.DBus.Error.Spawn.ChildExited: Launch helper exited with unknown return code 1 2013-07-28 15:41:07,661 - softwarecenter.backend - WARNING - _on_trans_error: 'DBusException('Launch helper exited with unknown return code 1',)' 'None' 'artha' Traceback (most recent call last): File "/usr/lib/python2.7/dist-packages/defer/__init__.py", line 489, in _inline_callbacks result = gen.send(result) File "/usr/lib/python2.7/dist-packages/aptdaemon/client.py", line 1614, in _run_transaction_helper daemon = get_aptdaemon(self.bus) File "/usr/lib/python2.7/dist-packages/aptdaemon/client.py", line 1689, in get_aptdaemon False), File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 241, in get_object follow_name_owner_changes=follow_name_owner_changes) File "/usr/lib/python2.7/dist-packages/dbus/proxies.py", line 248, in __init__ self._named_service = conn.activate_name_owner(bus_name) File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 180, in activate_name_owner self.start_service_by_name(bus_name) File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 278, in start_service_by_name 'su', (bus_name, flags))) 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: Launch helper exited with unknown return code 1 Traceback (most recent call last): File "/usr/lib/python2.7/dist-packages/defer/__init__.py", line 489, in _inline_callbacks result = gen.send(result) File "/usr/lib/python2.7/dist-packages/aptdaemon/client.py", line 1614, in _run_transaction_helper daemon = get_aptdaemon(self.bus) File "/usr/lib/python2.7/dist-packages/aptdaemon/client.py", line 1689, in get_aptdaemon False), File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 241, in get_object follow_name_owner_changes=follow_name_owner_changes) File "/usr/lib/python2.7/dist-packages/dbus/proxies.py", line 248, in __init__ self._named_service = conn.activate_name_owner(bus_name) File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 180, in activate_name_owner self.start_service_by_name(bus_name) File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 278, in start_service_by_name 'su', (bus_name, flags))) 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: Launch helper exited with unknown return code 1 dbus.exceptions.DBusException: org.freedesktop.DBus.Error.Spawn.ChildExited: Launch helper exited with unknown return code 1 2013-07-28 15:41:24,517 - softwarecenter.backend - WARNING - _on_trans_error: 'DBusException('Launch helper exited with unknown return code 1',)' 'None' 'artha' Traceback (most recent call last): File "/usr/lib/python2.7/dist-packages/defer/__init__.py", line 489, in _inline_callbacks result = gen.send(result) File "/usr/lib/python2.7/dist-packages/aptdaemon/client.py", line 1614, in _run_transaction_helper daemon = get_aptdaemon(self.bus) File "/usr/lib/python2.7/dist-packages/aptdaemon/client.py", line 1689, in get_aptdaemon False), File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 241, in get_object follow_name_owner_changes=follow_name_owner_changes) File "/usr/lib/python2.7/dist-packages/dbus/proxies.py", line 248, in __init__ self._named_service = conn.activate_name_owner(bus_name) File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 180, in activate_name_owner self.start_service_by_name(bus_name) File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 278, in start_service_by_name 'su', (bus_name, flags))) 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: Launch helper exited with unknown return code 1 Traceback (most recent call last): File "/usr/lib/python2.7/dist-packages/defer/__init__.py", line 489, in _inline_callbacks result = gen.send(result) File "/usr/lib/python2.7/dist-packages/aptdaemon/client.py", line 1614, in _run_transaction_helper daemon = get_aptdaemon(self.bus) File "/usr/lib/python2.7/dist-packages/aptdaemon/client.py", line 1689, in get_aptdaemon False), File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 241, in get_object follow_name_owner_changes=follow_name_owner_changes) File "/usr/lib/python2.7/dist-packages/dbus/proxies.py", line 248, in __init__ self._named_service = conn.activate_name_owner(bus_name) File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 180, in activate_name_owner self.start_service_by_name(bus_name) File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 278, in start_service_by_name 'su', (bus_name, flags))) 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: Launch helper exited with unknown return code 1 dbus.exceptions.DBusException: org.freedesktop.DBus.Error.Spawn.ChildExited: Launch helper exited with unknown return code 1 2013-07-28 15:41:31,798 - softwarecenter.backend - WARNING - _on_trans_error: 'DBusException('Launch helper exited with unknown return code 1',)' 'None' 'artha' Traceback (most recent call last): File "/usr/lib/python2.7/dist-packages/defer/__init__.py", line 489, in _inline_callbacks result = gen.send(result) File "/usr/lib/python2.7/dist-packages/aptdaemon/client.py", line 1614, in _run_transaction_helper daemon = get_aptdaemon(self.bus) File "/usr/lib/python2.7/dist-packages/aptdaemon/client.py", line 1689, in get_aptdaemon False), File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 241, in get_object follow_name_owner_changes=follow_name_owner_changes) File "/usr/lib/python2.7/dist-packages/dbus/proxies.py", line 248, in __init__ self._named_service = conn.activate_name_owner(bus_name) File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 180, in activate_name_owner self.start_service_by_name(bus_name) File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 278, in start_service_by_name 'su', (bus_name, flags))) 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: Launch helper exited with unknown return code 1 Traceback (most recent call last): File "/usr/lib/python2.7/dist-packages/defer/__init__.py", line 489, in _inline_callbacks result = gen.send(result) File "/usr/lib/python2.7/dist-packages/aptdaemon/client.py", line 1614, in _run_transaction_helper daemon = get_aptdaemon(self.bus) File "/usr/lib/python2.7/dist-packages/aptdaemon/client.py", line 1689, in get_aptdaemon False), File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 241, in get_object follow_name_owner_changes=follow_name_owner_changes) File "/usr/lib/python2.7/dist-packages/dbus/proxies.py", line 248, in __init__ self._named_service = conn.activate_name_owner(bus_name) File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 180, in activate_name_owner self.start_service_by_name(bus_name) File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 278, in start_service_by_name 'su', (bus_name, flags))) 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: Launch helper exited with unknown return code 1 dbus.exceptions.DBusException: org.freedesktop.DBus.Error.Spawn.ChildExited: Launch helper exited with unknown return code 1 2013-07-28 15:41:33,201 - softwarecenter.backend - WARNING - _on_trans_error: 'DBusException('Launch helper exited with unknown return code 1',)' 'None' 'artha' Traceback (most recent call last): File "/usr/lib/python2.7/dist-packages/defer/__init__.py", line 489, in _inline_callbacks result = gen.send(result) File "/usr/lib/python2.7/dist-packages/aptdaemon/client.py", line 1614, in _run_transaction_helper daemon = get_aptdaemon(self.bus) File "/usr/lib/python2.7/dist-packages/aptdaemon/client.py", line 1689, in get_aptdaemon False), File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 241, in get_object follow_name_owner_changes=follow_name_owner_changes) File "/usr/lib/python2.7/dist-packages/dbus/proxies.py", line 248, in __init__ self._named_service = conn.activate_name_owner(bus_name) File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 180, in activate_name_owner self.start_service_by_name(bus_name) File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 278, in start_service_by_name 'su', (bus_name, flags))) 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: Launch helper exited with unknown return code 1 Traceback (most recent call last): File "/usr/lib/python2.7/dist-packages/defer/__init__.py", line 489, in _inline_callbacks result = gen.send(result) File "/usr/lib/python2.7/dist-packages/aptdaemon/client.py", line 1614, in _run_transaction_helper daemon = get_aptdaemon(self.bus) File "/usr/lib/python2.7/dist-packages/aptdaemon/client.py", line 1689, in get_aptdaemon False), File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 241, in get_object follow_name_owner_changes=follow_name_owner_changes) File "/usr/lib/python2.7/dist-packages/dbus/proxies.py", line 248, in __init__ self._named_service = conn.activate_name_owner(bus_name) File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 180, in activate_name_owner self.start_service_by_name(bus_name) File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 278, in start_service_by_name 'su', (bus_name, flags))) 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: Launch helper exited with unknown return code 1 dbus.exceptions.DBusException: org.freedesktop.DBus.Error.Spawn.ChildExited: Launch helper exited with unknown return code 1 2013-07-28 15:41:35,752 - softwarecenter.backend - WARNING - _on_trans_error: 'DBusException('Launch helper exited with unknown return code 1',)' 'None' 'artha' 2013-07-28 15:41:36,944 - softwarecenter.ui.gtk3.widgets.exhibits - WARNING - download failed: '<class 'gi._glib.GError'>', 'Operation not supported' ** Affects: software-center (Ubuntu) Importance: Undecided Status: New ** Tags: center crash software ** Tags added: center crash software -- 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/1205844 Title: software-center crashed with DBusException in call_blocking(): org.freedesktop.DBus.Error.Spawn.ChildExited: Launch helper exited with unknown return code 1 Status in “software-center” package in Ubuntu: New Bug description: i can't installl any package from software center. and it automatically closes whenever i try to install a software from it. i updated my ubuntu to the 13 th version now itself the terminal output is message, timeout) dbus.exceptions.DBusException: org.freedesktop.DBus.Error.Spawn.ChildExited: Launch helper exited with unknown return code 1 Traceback (most recent call last): File "/usr/lib/python2.7/dist-packages/defer/__init__.py", line 489, in _inline_callbacks result = gen.send(result) File "/usr/lib/python2.7/dist-packages/aptdaemon/client.py", line 1614, in _run_transaction_helper daemon = get_aptdaemon(self.bus) File "/usr/lib/python2.7/dist-packages/aptdaemon/client.py", line 1689, in get_aptdaemon False), File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 241, in get_object follow_name_owner_changes=follow_name_owner_changes) File "/usr/lib/python2.7/dist-packages/dbus/proxies.py", line 248, in __init__ self._named_service = conn.activate_name_owner(bus_name) File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 180, in activate_name_owner self.start_service_by_name(bus_name) File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 278, in start_service_by_name 'su', (bus_name, flags))) 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: Launch helper exited with unknown return code 1 2013-07-28 15:40:46,875 - softwarecenter.db.pkginfo_impl.aptcache - ERROR - simulate failed Traceback (most recent call last): File "/usr/lib/python2.7/dist-packages/aptdaemon/client.py", line 1585, in on_error error.raise_exception() File "/usr/lib/python2.7/dist-packages/defer/__init__.py", line 489, in _inline_callbacks result = gen.send(result) File "/usr/lib/python2.7/dist-packages/aptdaemon/client.py", line 1614, in _run_transaction_helper daemon = get_aptdaemon(self.bus) File "/usr/lib/python2.7/dist-packages/aptdaemon/client.py", line 1689, in get_aptdaemon False), File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 241, in get_object follow_name_owner_changes=follow_name_owner_changes) File "/usr/lib/python2.7/dist-packages/dbus/proxies.py", line 248, in __init__ self._named_service = conn.activate_name_owner(bus_name) File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 180, in activate_name_owner self.start_service_by_name(bus_name) File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 278, in start_service_by_name 'su', (bus_name, flags))) File "/usr/lib/python2.7/dist-packages/dbus/connection.py", line 651, in call_blocking message, timeout) DBusException: org.freedesktop.DBus.Error.Spawn.ChildExited: Launch helper exited with unknown return code 1 Traceback (most recent call last): File "/usr/lib/python2.7/dist-packages/defer/__init__.py", line 489, in _inline_callbacks result = gen.send(result) File "/usr/lib/python2.7/dist-packages/aptdaemon/client.py", line 1614, in _run_transaction_helper daemon = get_aptdaemon(self.bus) File "/usr/lib/python2.7/dist-packages/aptdaemon/client.py", line 1689, in get_aptdaemon False), File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 241, in get_object follow_name_owner_changes=follow_name_owner_changes) File "/usr/lib/python2.7/dist-packages/dbus/proxies.py", line 248, in __init__ self._named_service = conn.activate_name_owner(bus_name) File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 180, in activate_name_owner self.start_service_by_name(bus_name) File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 278, in start_service_by_name 'su', (bus_name, flags))) 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: Launch helper exited with unknown return code 1 Traceback (most recent call last): File "/usr/lib/python2.7/dist-packages/defer/__init__.py", line 489, in _inline_callbacks result = gen.send(result) File "/usr/lib/python2.7/dist-packages/aptdaemon/client.py", line 1614, in _run_transaction_helper daemon = get_aptdaemon(self.bus) File "/usr/lib/python2.7/dist-packages/aptdaemon/client.py", line 1689, in get_aptdaemon False), File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 241, in get_object follow_name_owner_changes=follow_name_owner_changes) File "/usr/lib/python2.7/dist-packages/dbus/proxies.py", line 248, in __init__ self._named_service = conn.activate_name_owner(bus_name) File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 180, in activate_name_owner self.start_service_by_name(bus_name) File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 278, in start_service_by_name 'su', (bus_name, flags))) 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: Launch helper exited with unknown return code 1 dbus.exceptions.DBusException: org.freedesktop.DBus.Error.Spawn.ChildExited: Launch helper exited with unknown return code 1 2013-07-28 15:41:07,661 - softwarecenter.backend - WARNING - _on_trans_error: 'DBusException('Launch helper exited with unknown return code 1',)' 'None' 'artha' Traceback (most recent call last): File "/usr/lib/python2.7/dist-packages/defer/__init__.py", line 489, in _inline_callbacks result = gen.send(result) File "/usr/lib/python2.7/dist-packages/aptdaemon/client.py", line 1614, in _run_transaction_helper daemon = get_aptdaemon(self.bus) File "/usr/lib/python2.7/dist-packages/aptdaemon/client.py", line 1689, in get_aptdaemon False), File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 241, in get_object follow_name_owner_changes=follow_name_owner_changes) File "/usr/lib/python2.7/dist-packages/dbus/proxies.py", line 248, in __init__ self._named_service = conn.activate_name_owner(bus_name) File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 180, in activate_name_owner self.start_service_by_name(bus_name) File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 278, in start_service_by_name 'su', (bus_name, flags))) 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: Launch helper exited with unknown return code 1 Traceback (most recent call last): File "/usr/lib/python2.7/dist-packages/defer/__init__.py", line 489, in _inline_callbacks result = gen.send(result) File "/usr/lib/python2.7/dist-packages/aptdaemon/client.py", line 1614, in _run_transaction_helper daemon = get_aptdaemon(self.bus) File "/usr/lib/python2.7/dist-packages/aptdaemon/client.py", line 1689, in get_aptdaemon False), File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 241, in get_object follow_name_owner_changes=follow_name_owner_changes) File "/usr/lib/python2.7/dist-packages/dbus/proxies.py", line 248, in __init__ self._named_service = conn.activate_name_owner(bus_name) File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 180, in activate_name_owner self.start_service_by_name(bus_name) File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 278, in start_service_by_name 'su', (bus_name, flags))) 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: Launch helper exited with unknown return code 1 dbus.exceptions.DBusException: org.freedesktop.DBus.Error.Spawn.ChildExited: Launch helper exited with unknown return code 1 2013-07-28 15:41:24,517 - softwarecenter.backend - WARNING - _on_trans_error: 'DBusException('Launch helper exited with unknown return code 1',)' 'None' 'artha' Traceback (most recent call last): File "/usr/lib/python2.7/dist-packages/defer/__init__.py", line 489, in _inline_callbacks result = gen.send(result) File "/usr/lib/python2.7/dist-packages/aptdaemon/client.py", line 1614, in _run_transaction_helper daemon = get_aptdaemon(self.bus) File "/usr/lib/python2.7/dist-packages/aptdaemon/client.py", line 1689, in get_aptdaemon False), File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 241, in get_object follow_name_owner_changes=follow_name_owner_changes) File "/usr/lib/python2.7/dist-packages/dbus/proxies.py", line 248, in __init__ self._named_service = conn.activate_name_owner(bus_name) File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 180, in activate_name_owner self.start_service_by_name(bus_name) File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 278, in start_service_by_name 'su', (bus_name, flags))) 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: Launch helper exited with unknown return code 1 Traceback (most recent call last): File "/usr/lib/python2.7/dist-packages/defer/__init__.py", line 489, in _inline_callbacks result = gen.send(result) File "/usr/lib/python2.7/dist-packages/aptdaemon/client.py", line 1614, in _run_transaction_helper daemon = get_aptdaemon(self.bus) File "/usr/lib/python2.7/dist-packages/aptdaemon/client.py", line 1689, in get_aptdaemon False), File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 241, in get_object follow_name_owner_changes=follow_name_owner_changes) File "/usr/lib/python2.7/dist-packages/dbus/proxies.py", line 248, in __init__ self._named_service = conn.activate_name_owner(bus_name) File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 180, in activate_name_owner self.start_service_by_name(bus_name) File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 278, in start_service_by_name 'su', (bus_name, flags))) 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: Launch helper exited with unknown return code 1 dbus.exceptions.DBusException: org.freedesktop.DBus.Error.Spawn.ChildExited: Launch helper exited with unknown return code 1 2013-07-28 15:41:31,798 - softwarecenter.backend - WARNING - _on_trans_error: 'DBusException('Launch helper exited with unknown return code 1',)' 'None' 'artha' Traceback (most recent call last): File "/usr/lib/python2.7/dist-packages/defer/__init__.py", line 489, in _inline_callbacks result = gen.send(result) File "/usr/lib/python2.7/dist-packages/aptdaemon/client.py", line 1614, in _run_transaction_helper daemon = get_aptdaemon(self.bus) File "/usr/lib/python2.7/dist-packages/aptdaemon/client.py", line 1689, in get_aptdaemon False), File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 241, in get_object follow_name_owner_changes=follow_name_owner_changes) File "/usr/lib/python2.7/dist-packages/dbus/proxies.py", line 248, in __init__ self._named_service = conn.activate_name_owner(bus_name) File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 180, in activate_name_owner self.start_service_by_name(bus_name) File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 278, in start_service_by_name 'su', (bus_name, flags))) 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: Launch helper exited with unknown return code 1 Traceback (most recent call last): File "/usr/lib/python2.7/dist-packages/defer/__init__.py", line 489, in _inline_callbacks result = gen.send(result) File "/usr/lib/python2.7/dist-packages/aptdaemon/client.py", line 1614, in _run_transaction_helper daemon = get_aptdaemon(self.bus) File "/usr/lib/python2.7/dist-packages/aptdaemon/client.py", line 1689, in get_aptdaemon False), File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 241, in get_object follow_name_owner_changes=follow_name_owner_changes) File "/usr/lib/python2.7/dist-packages/dbus/proxies.py", line 248, in __init__ self._named_service = conn.activate_name_owner(bus_name) File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 180, in activate_name_owner self.start_service_by_name(bus_name) File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 278, in start_service_by_name 'su', (bus_name, flags))) 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: Launch helper exited with unknown return code 1 dbus.exceptions.DBusException: org.freedesktop.DBus.Error.Spawn.ChildExited: Launch helper exited with unknown return code 1 2013-07-28 15:41:33,201 - softwarecenter.backend - WARNING - _on_trans_error: 'DBusException('Launch helper exited with unknown return code 1',)' 'None' 'artha' Traceback (most recent call last): File "/usr/lib/python2.7/dist-packages/defer/__init__.py", line 489, in _inline_callbacks result = gen.send(result) File "/usr/lib/python2.7/dist-packages/aptdaemon/client.py", line 1614, in _run_transaction_helper daemon = get_aptdaemon(self.bus) File "/usr/lib/python2.7/dist-packages/aptdaemon/client.py", line 1689, in get_aptdaemon False), File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 241, in get_object follow_name_owner_changes=follow_name_owner_changes) File "/usr/lib/python2.7/dist-packages/dbus/proxies.py", line 248, in __init__ self._named_service = conn.activate_name_owner(bus_name) File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 180, in activate_name_owner self.start_service_by_name(bus_name) File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 278, in start_service_by_name 'su', (bus_name, flags))) 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: Launch helper exited with unknown return code 1 Traceback (most recent call last): File "/usr/lib/python2.7/dist-packages/defer/__init__.py", line 489, in _inline_callbacks result = gen.send(result) File "/usr/lib/python2.7/dist-packages/aptdaemon/client.py", line 1614, in _run_transaction_helper daemon = get_aptdaemon(self.bus) File "/usr/lib/python2.7/dist-packages/aptdaemon/client.py", line 1689, in get_aptdaemon False), File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 241, in get_object follow_name_owner_changes=follow_name_owner_changes) File "/usr/lib/python2.7/dist-packages/dbus/proxies.py", line 248, in __init__ self._named_service = conn.activate_name_owner(bus_name) File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 180, in activate_name_owner self.start_service_by_name(bus_name) File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 278, in start_service_by_name 'su', (bus_name, flags))) 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: Launch helper exited with unknown return code 1 dbus.exceptions.DBusException: org.freedesktop.DBus.Error.Spawn.ChildExited: Launch helper exited with unknown return code 1 2013-07-28 15:41:35,752 - softwarecenter.backend - WARNING - _on_trans_error: 'DBusException('Launch helper exited with unknown return code 1',)' 'None' 'artha' 2013-07-28 15:41:36,944 - softwarecenter.ui.gtk3.widgets.exhibits - WARNING - download failed: '<class 'gi._glib.GError'>', 'Operation not supported' To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/software-center/+bug/1205844/+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