This could be a different bug, but there is a launcher problem as per the screenshot, but also affects the panel on the second monitor. This occoured after logging in and starting the dash and then after a software update, the launcher problem occured.
** Attachment added: "Screenshot from 2012-12-07 09:37:32.png" https://bugs.launchpad.net/ubuntu/+source/unity/+bug/1087798/+attachment/3454273/+files/Screenshot%20from%202012-12-07%2009%3A37%3A32.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1087798 Title: elements of unity panel and launcher are blank or transparent when they should not be To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/unity/+bug/1087798/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs