Have you downloaded a Mapsource Gmap folder ?


copy it in:
(in XP - C:\Documents and Settings\All Users\Application Data\GARMIN\Maps) or
(in Vista, Windows 7/8 - C:\ProgramData\Garmin\Maps)
You'll have your map in Mapsource or Basecamp.
To unlock use:
[Only registered and activated users can see links. ]
or
[Only registered and activated users can see links. ]
or
[Only registered and activated users can see links. ]
Forget GU is old