another way can be to use Mapsetoolkit to see what's wrong in your mapsource registry
[Only registered and activated users can see links. ]
There is a "check registry" button; it will show all registry errors, so you can remove the problematic mapset with "uninstall" button.
Regarding gmap folders ,check with this :
[Only registered and activated users can see links. ]
I recommend to upgrade Mapsource 6.15.11 to last version as Pietu told you.

Thanks for registry fix

Quote Originally Posted by Thefatboy View Post
I loaded all Gmapprom.img, JVC's and 3d but the gmap3d does not work says can't unlock map, as the code is older than the .30 map

gmap3d 2011.20 is all I have anyone got 2011.30 please, or a link to download from?

here:
[Only registered and activated users can see links. ]
post 30
you could find it with a lil search