The error would be linked to a GTK+ bug for the LinkButton object.
Check if this workaround for tasque is applicable here:
https://bugs.launchpad.net/ubuntu/+source/tasque/+bug/337849/comments/10
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deskbar-applet gconf errors keep popping up
https://bugs.launchpad.net/bugs/349106
You received t
This problem is not limited to Tasque, see e.g.
https://bugs.launchpad.net/ubuntu/+source/deskbar-applet/+bug/349106 and
https://bugs.launchpad.net/ubuntu/+source/tomboy/+bug/365472.
According to the Tomboy developer this would be a GTK+ issue
(http://bugzilla.gnome.org/show_bug.cgi?id=581582)
An