This Trainer is for the Game-Version: 1.4.364
The Prefix of this Trainer is: [Patched]
The Current Game-Version is: 1.9.461 ...
You need a Trainer with the Prefix: [RELEASE]
You need a Trainer like this (Prefix = True // Version = True):
Modern Warfare® 3 - ULTIMATE UNLOCKER v1.0.0