Sorry about that! I found out how to delete the attachment though. Here is a new video (without sound) showing the graphical glitches.
** Attachment added: "Video: Screen corruption after minimizing windows" https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/709461/+attachment/2144627/+files/Unity_minimize_bug003_nosound.ogv -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/709461 Title: Application windows can sometimes fail to display and will mask regions of the screen -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs