Reasons to the reason why the trainer not are working:
1. The trainer / hack you downloaded maybe are patched or detected?
How to maybe fix so it works:
1. Run the hack as an adminstrator and then play a FULL game so the settings can be applied that you customized
2. Turn off anti-virus and run the hack as an adminstrator?
And you may post a link so we can see which trainer we are talking about. Just copy the URL of the thread and post a comment below whit it.
Best regards, , ~