GOM Player 2.0.11.3373

I am sorry if this is the wrong forum/section to post this question. I would like to know how I can disable the green bar (I do not know if it is for displaying subtitles) in GOM Player when playing DVD. I do not see this green bar when I play it with WinDVD or VLC. I have disabled the option for displaying subtitles but the DVD does not have any subtitles in the first place. When I take a screen capture, the geen bar is present. Any help would be greatly appreciated. Thank you.