Aliens vs. Predator (2010)
try turning off mouse acceleration and make sure youre sound settings for your computer are set to 44800khz
I have the steam version
sry bad english
Also, it seems some people with 64 bit Operating Systems are having trouble. I'm using 32-bit Windows 7 so I can't be of much help (Trainer works great for me).
Run trainer as administrator (If using Windows Vista or Windows 7), and try running it in compatibility mode for Windows XP/Vista SP2.
firewall and other security software.
on trainer and game.
version and distribution.