This bug appears to be caused by an incorrectly symlinked file by the nvidia driver.
Read these forum posts for more information and a quick fix: http://www.nvnews.net/vbulletin/showthread.php?t=109546&page=2 http://ubuntuforums.org/showthread.php?t=772408 -- Decoration Plugin: Window shadow color is not displayed as set in plugin properties on NV GeForce 8 and 9 series, using nvidia drivers https://bugs.launchpad.net/bugs/216999 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