Help needed:-Launch helper exited with unknown return code 0

[Pooja]

Hi All
I am using a dbus async method call on a service which is not running.This
starts up the service but method call never gets executed and I get this
error
org.freedesktop.DBus.Error.Spawn.ChildExited: Launch helper exited with
unknown return code 0 ,though the service keeps on running.
but if the service is already running and then I invoke same method call on
it then it runs without an error.

Can someone give me some pointers on how to debug this or whats going wrong?

Regards
Pooja
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