This bug was fixed in the package libdbusmenu - 0.4.2-0ubuntu3
--------------- libdbusmenu (0.4.2-0ubuntu3) natty; urgency=low
* Merged fix, guard against an activation that does not actually have an associated menu-hide (LP: #750588) -- Ken VanDine <email address hidden> Mon, 11 Apr 2011 00:56:02 -0400
This bug was fixed in the package libdbusmenu - 0.4.2-0ubuntu3
---------------
libdbusmenu (0.4.2-0ubuntu3) natty; urgency=low
* Merged fix, guard against an activation that does not actually have
an associated menu-hide (LP: #750588)
-- Ken VanDine <email address hidden> Mon, 11 Apr 2011 00:56:02 -0400