Heres the offending history file, and I can confirm that removing it allows deskbar to start up and run normally (albeit without any history...).
** Attachment added: "history-2.20-compatible.pickle" http://launchpadlibrarian.net/10223429/history-2.20-compatible.pickle -- deskbar-applet crashes on load with bad history https://bugs.launchpad.net/bugs/158997 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is a bug contact for deskbar-applet in ubuntu. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs