I think it's because the avant-window-navigator start before compiz. I guess you try to autostart avant-window-navigator. Do you add it manually or using the option in the manager ?
** Changed in: avant-window-navigator (Ubuntu) Status: New => Incomplete -- warning: Screen isn't composited. Please run compiz (fusion) or another compositing manager https://bugs.launchpad.net/bugs/359061 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs