Turn of AV, Clear cache n even restart computer.
You restarted your PC? Not just the game and/or trainer, but rebooting the computer. That is almost always the solution to that problem which is your Keyboard cache being full. Rebooting clears it.
You might also try deleting the trainer and download it again. Also check all the keys on your keyboard and make sure no keys are stuck and repeating. Or try another keyboard.
[Edited by element5, 1/24/2016 8:30:41 PM]
it is a completely new keyboard, restarted it all, trainger,game, and pc, also redownload trainer... didn't work
Then something on your system is interfearing with it.