Had this just now, for the first time. If it's of any relevance, XChat also claimed to have crashed, presumably when I shut down last night (in fact it didn't, I shut it down properly). Unclear why a panel app should think it's crashed the moment you login.
** Attachment added: "Crash logfile" http://librarian.launchpad.net/5374006/_usr_bin_bt-applet.1000.crash -- Crashes on login https://launchpad.net/bugs/70949 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs