Media player problem

[rkk1]

I still use an older version of hoster and make sure not to have anything else running when I am doing my shows. I use the media player to play dj music. I also use the vga connecton with a converter. Recently when I click on the media player the screen for the media player moves to the extended monitor and not on my laptop screen and of course I can't control it. To get it back to the latop I have to unplug the vga connector and plug it back in then it's back on the laptop screen. I have changed all the cables and a brand new converter still the same thing. So the last couple shows I have left the media player up. Any ideas?