I swore I typed "impossible" when I entered this problem. Oh, well.
This problem does not only affect me. There are lots of incidents
reported in October and November where the Ubuntu installer did not work
properly. I would boot and then stare at a black screen
indefinitely unless I put a
** Attachment added: "Dependencies.txt"
http://launchpadlibrarian.net/41614003/Dependencies.txt
** Attachment added: "ExtensionSummary.txt"
http://launchpadlibrarian.net/41614004/ExtensionSummary.txt
** Attachment added: "profile_default_pluginreg.dat.txt"
http://launchpadlibrarian.net/