Hi Jean-Luc, got a new rig and reinstall everything, using 2.5.22.2 with trainers. But I get black screens, trainer not found. 

20/03/05 05:18:21.537 02152 -    ] # rxpGtnSim64.dll version 2.5.22.2
20/03/05 05:18:21.537 02152 INFO ] 
20/03/05 05:18:35.695 02152 ERROR] trainer not found
20/03/05 05:18:35.699 02152 INFO ] installed:
20/03/05 05:18:35.709 02152 INFO ] 6620 nav: C:\ProgramData\Garmin\Trainers\Databases\
 

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20/03/05 05:18:18.752 02152 -    ] # win.xpl version 2.5.22.2
20/03/05 05:18:18.752 02152 INFO ] 

thanks

Alex

Got it working with the installer GTN Trainer 6.62.1

from this post

Thanks