Tom, without more details, we can't say exactly what you need to do. There are 2 Posts under this Thread
http://www.mtu.com/vbulletin/showthr...p?threadid=151 that you need to read and check:
1.
Play Tab Contents Are Grayed Out And Not Functioning
2.
In Play Tab, Playing a Song Flashes a Black Screen and Returns to Play Tab
Please post a Reply under this Thread whether one of these is the problem and solution.