Running Windows 7 64 bit. This problem has occured since I changed the region on one of my optical drives (I have 1 x DVD R/W & 1 x Blu Ray R/W)
This screenshot shows the main problem, two instances will sometimes pop up, but not always:
Sometimes I will have a film playing and the smaller of the two boxes will just be black and sit in front of the other window playing the film. However it will go away if I click on the part playing the film.
If I click close on the smaller media player window it will completely shut media player down so it's one instance of media player but for some reason will show these two windows


Thanks to anyone who can help
This screenshot shows the main problem, two instances will sometimes pop up, but not always:

Sometimes I will have a film playing and the smaller of the two boxes will just be black and sit in front of the other window playing the film. However it will go away if I click on the part playing the film.
If I click close on the smaller media player window it will completely shut media player down so it's one instance of media player but for some reason will show these two windows



Thanks to anyone who can help