open /var/crash directory and see if there is a crash file containing the name 'unity' in it, if there is can you double click it and follow the on-screen instructions to reproduce a new bug and give the bug number here too.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/753215 Title: icons and menu disappear when upgrading from 10.10 to 11.04 beta -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs