I get this with all Neogenesis version 8-10, version 7 works perfectly. What happens is the different menus overlap.
I have a shot of it here: pic
Not very good quality, but you can still see what's happening. What that is is I went to the rom browse menu (Select Game), you can make out the main menu underneath it. The white appears when I move the cursor. If I hit the back button back to the main menu, the main menu appears normally.
Again, this only happens in versions 8-10.