That report is old, and the upstream version got the fix long ago. Does not know about Lubuntu, but your system has been dist-upgraded many times, then clean it with gtkorphan & bleachbit (as root). That error should not be met nowadays.
** No longer affects: dbus (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to at-spi2-core in Ubuntu. https://bugs.launchpad.net/bugs/1217757 Title: Error retrieving accessibility bus address: org.freedesktop.DBus.Error.NoReply: Did not receive a reply. Status in at-spi2-core package in Ubuntu: Fix Released Bug description: Stock Saucy + gnome3-team ppa ProblemType: Bug DistroRelease: Ubuntu 13.10 Package: gedit 3.8.3-0ubuntu3 ProcVersionSignature: Ubuntu 3.11.0-4.9-generic 3.11.0-rc7 Uname: Linux 3.11.0-4-generic i686 NonfreeKernelModules: nvidia ApportVersion: 2.12.1-0ubuntu2 Architecture: i386 Date: Wed Aug 28 10:24:40 2013 ExecutablePath: /usr/bin/gedit MarkForUpload: True SourcePackage: gedit UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/at-spi2-core/+bug/1217757/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp