Comment 2 for bug 792355

I am facing the same bug. Before this version (bzr990, buggy version is bzr992), gwibber works flawlessly.
Here is my error message.

ERROR:dbus.proxies:Introspect error on com.Gwibber.Service:/com/gwibber/Service: dbus.exceptions.DBusException: org.freedesktop.DBus.Error.Spawn.ChildExited: Launch helper exited with unknown return code 1
Traceback (most recent call last):
  File "/usr/bin/gwibber", line 98, in <module>
    client.Client()
  File "/usr/lib/python2.6/dist-packages/gwibber/client.py", line 697, in __init__
    self.w = GwibberClient()
  File "/usr/lib/python2.6/dist-packages/gwibber/client.py", line 40, in __init__
    self.model = gwui.Model()
  File "/usr/lib/python2.6/dist-packages/gwibber/gwui.py", line 50, in __init__
    self.services = json.loads(self.daemon.GetServices())
  File "/usr/lib/pymodules/python2.6/dbus/proxies.py", line 68, in __call__
    return self._proxy_method(*args, **keywords)
  File "/usr/lib/pymodules/python2.6/dbus/proxies.py", line 140, in __call__
    **keywords)
  File "/usr/lib/pymodules/python2.6/dbus/connection.py", line 620, in call_blocking
    message, timeout)
dbus.exceptions.DBusException: org.freedesktop.DBus.Error.Spawn.ChildExited: Launch helper exited with unknown return code 1

My platform is 32bit version of Ubuntu 10.04 LTS with all latest updates except kernel (-pae blocked for update).