Hi! Since this trainer is so old, i can no longer get it to run. Since it is updated with new GUI, windows somehow detected this trainer and read it as .tmp. Can you update it to new trainer GUI like all the games now. As of now, trainer no longer open no matter what i try.
I got the very same issue, can't seems to find a work around so far. 😐
Try to disable any AV you might have and run the trainer as admin, if that doesn't work you can try to reset your windows default apps.
Some old trainer simply doesn't work. I've been downloading a lot of trainers for recent game, it is fine, and i don't have any conflicting AV. Looks like I am not the only one with this issue too.