Delete trainer and all files in
Learn how to make your own Trainer Cleaner for the above paths Here. Link
Reboot PC to clear excess memory, get a fresh copy of latest trainer, run trainer as admin, read the instructions and try again. At times, a new game may be needed to resolve failed options if the data in your save file was altered. Use on a new game and test the option. If it now works, quit to main menu and load your save and try it again.
Downloaded fine for me, full name and all that, may be a cloud hiccup, try it again and also make sure CH is whitelisted in your browser/security software.
I have attempted to download it multiple times and it experiences the same issues each time. I have also downloaded trainers for other games and experienced no issue running them.