A complete re-installation of Ubuntu 12.10 from dvd (after backing up all data) now gives a satisfactory system.
This bug can now close -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1072512 Title: Unity freezes on startup To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/unity/+bug/1072512/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs