Never, under any circumstances, attempt to use a trainer online. Black Ops 2’s anti-cheat (TAC) on Steam will result in an instant, permanent VAC ban. This trainer is strictly for and Solo Zombies (with your internet disconnected to be safe).
Even with the correct version, trainers can fail. Here is a quick fix list: Call Of Duty Black Ops 2 Trainer Version 1.0.0.1
A few important points:
One of the most critical aspects of using a trainer is version compatibility. You might be wondering: Why does the version number matter so much? Never, under any circumstances, attempt to use a
Launch the trainer executable with administrative privileges before opening the game. under any circumstances
Have you used this specific trainer? Share your experience in the comments below—but remember, no links to pirated software.