Delete trainer and all files in
Reboot PC to clear excess memory, get a fresh copy of latest trainer and
make sure trainer in is folder excluded from virus scans.
may need to be added to exclusions as well. Run trainer as admin and try again.
if not, then
Please use the update notification system to report a game patch, update or to report that the trainer may not be working with the latest version of the game. If 3 or more reports have been filed, consider BOOSTING the priority of this title for a faster turnaround on the updated trainer.
You actually pressed F1 in the game's main menu to activate the trainer, right?
Please try with another browser as it's working fine on my side. Clear browser cache and cookies might also help.