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Issues opening map in BaseCamp after using MapsetToolKit on .img

Started by redderek, September 28, 2025, 08:58:24 PM

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redderek

I downloaded the Japan topo .img file. Then I followed the steps, once I was able to find MapsetToolkit, per the web page
    https://www.gpsfiledepot.com/tutorials/how-to-load-.img-files-into-mapsource-with-mapsettoolkit/

MapsetToolkit went through the steps and the DOS windows and came up as complete. I see the Mapset installed in the small window. Then when I started BaseCamp, it came up with "There is a problem with the Japan installation. Please re-install and start BaseCamp again."

I did this a couple of times by uninstalling Japan from the Mapset installed window of MapsetToolkit. Still getting the error.

Nice thing is if I uninstall Japan and then try to open up BaseCamp, BaseCamp works fine.

Boyd

Which map are you talking about? This one?

https://www.gpsfiledepot.com/maps/view/861/

If so, why were you using mapsettoolkit? There is nothing in the instructions saying to use that. Mapsetoolkit is very old software that was used by map creators to build maps. Unless you are using some *really* old files from this site, you don't need it. And any map that old is probably not worth using anyway.

The instructions for using that map are very clear and simple, just follow them:

"To view in Basecamp on Windows use the "Mac" version, after extracting and opening to mapaname.gmap, mapset can be placed in the Windows C:/ProgramData/Garmin/Maps folder"

The author is also pretty active on the forums and he will probably respond here soon. But first, let us know if that is the map you are talking about.


sockmonkey

Hi redderek,

I double checked that the "Windows" (img) and "Mac" (gmap(i) were correct.  Make sure Basecamp is closed and c:/programdata is not hidden!  What Boyd wrote is correct. 

It is important that when you unzip the mac version that you do not copy that folder, you need to click to open the next level which will end in .gmap, that is what you want to copy.  If you go too far you will see product data and a couple other files.

Unless you do something wrong or have some corruption someplace this should work each and every time for my map or any other map makers maps who offers the gmap/gmapi version of their map

SM