This patch is only applicable for all versions of the MapSource United States TOPO product. It will not affect any other MapSource product. Could be why it don't work You are mistaken. That US TOPO ...

I recently decided to update my GPSMap 76C and City Navigator v6. I read on the Garmin website that MapSource v8 was compatible with both the GPSMap 76C and the 76Cx, so I purchased the MapSource v8 ...

I would try installing the Mapsource software that came with your new Vista, or download the latest Mapsource update from Garmin. The old version you installed with ...

The treo 600 doesn't have built-in GPS. Anybody know if I buy Mapsource software:<BR><BR>http://www.amazon.com/exec/obidos/tg/detail/-/B00004Z0C8/qid=1082583844/sr=8 ...