I've loaded your autosave and so far the trainer seems to work. What exactly did you used when it crashed your game? What cheats you have activated?
i used:
NumPad1: Infinite Health
NumPad2: Unlimited AP
NumPad3: Infinite Source Points
NumPad4: Infinite Physical Armor
NumPad5: Infinite Magical Armor
NumPad8: No Skill Cooldown
Page UP: No Durability Loss
Insert: Unlimited Weight