To get the most out of your trainer without causing game crashes or errors, keep these community-sourced tips in mind:
Your game is on a different patch. Re-check the version number. Alternatively, run the trainer after the game is fully loaded, not during the splash screens. Batman Arkham Knight 1.6.2.0 Trainer
If you see anything else, update your game. The 1.6.2.0 trainer is the most stable and feature-rich trainer available. To get the most out of your trainer
Always check your game version. In Steam, right-click Batman: Arkham Knight → Properties → Local Files → Verify integrity. Steam will show build ID 1471179 for 1.6.2.0. Batman Arkham Knight 1.6.2.0 Trainer