Symptom: Can start the trainer, it will say "Trailer activated" in game, but the unlimited health doesn't work.
There's no version no. on the game's prime exe file so I can't tell what version I'm on, but since it's through steam, I'll assume 1.9.
Now, an actual question for our esteemed guru of all things trainer programming: Am I right in seeing these recent and rapid succession of updates aimed directly at you? That is, to prevent us using these trainers????