i have some probs suddenly, after some months im using trainers again because i play some single player games again.
so the problem is that if i push F1 with every trainer for any game i downloaded the last couple of times trainers for dindt say anything about trainer activated... nothing at all
i know i got the right versions but it doenst do anything....

weehee im so screwed

your so cute!!! you gonna be my pet!!
*catch*

But yeah, as has been said above, basically just turn off your AV and run the trainer as administrator.

Also make sure you are using the right trainer version for your game.