The same things have happened to me. I dont really know if the problem was occured in Virtualbox. I will check and post a new comment if it happens again.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/758482 Title: Unity freeze after login -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs