You may well associate this to http://www.virtualbox.org/ticket/8180
and http://www.virtualbox.org/ticket/8122 Both tickets are solved + closed Best wishes ** Bug watch added: Virtualbox Trac #8180 http://www.virtualbox.org/ticket/8180 ** Bug watch added: Virtualbox Trac #8122 http://www.virtualbox.org/ticket/8122 ** Changed in: virtualbox-guest-additions (Ubuntu) Status: New => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/638622 Title: Screen garbled while installing Virtualbox Guest Additions on ubuntu 10.10 guest on a Macbook host -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs