look at this: http://www.qtforum.org/article/26669/qt4-mess-up-the-opengl-context.html
even on qt forum noone knows how to resolve this bug -- qt4 applications have transparent screen inside https://bugs.launchpad.net/bugs/404287 You received this bug notification because you are a member of Ubuntu-X, which is subscribed to nvidia-graphics-drivers-180 in ubuntu. _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp