Hm, this is weird. It does the full version or free?
>An idea for a work around, I use an emulator frontend on Android called Launchbox
It was discussed, check link above. But I am not sure that it will work with that bug you face.
If you start Magic Dosbox, do you see survey or it jumps to empty main menu?
Did you check the directory where should be settings saved? Is there something after wipe?