Sadly the problem is still there. Rebooted the system without starting Skype, and as soon as i launched Firefox the invisible window was back.
** Attachment added: "xwininfo output" https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/709461/+attachment/2130626/+files/xwininfo.txt -- You received this bug notification because you are a member of compiz packagers, which is subscribed to compiz in Ubuntu. https://bugs.launchpad.net/bugs/709461 Title: Application windows can sometimes fail to display and will mask regions of the screen _______________________________________________ Mailing list: https://launchpad.net/~compiz Post to : [email protected] Unsubscribe : https://launchpad.net/~compiz More help : https://help.launchpad.net/ListHelp

