I see the same - and it doesn't have to be video. Listening to a Real Audio stream on the bbc.co.uk website using mplayer-plugin also leaves the phantom window. Restarting kwin (killall kwin && kwin) removes the phantom. KDE4 version of Kubuntu.
I see the same - and it doesn't have to be video. Listening to a Real Audio stream on the bbc.co.uk website using mplayer-plugin also leaves the phantom window. Restarting kwin (killall kwin && kwin) removes the phantom. KDE4 version of Kubuntu.