I tried to update my GTN 750 add-on, and unfortunately I also updated the trainer, which has broke my add-on.
So, I uninstalled the Garmin Trainer and I tried to install the 6.50.1 version as you said here :
but it doesn't works
I downloaded both files you provide with a link (GTN.Setup.msi and Launcher.Setup.msi) but the installation doesn't works. When I run the installers, I get this :
And after 5 seconds, the installer disappears. I really don't under