if you have windows live set to run every time you start up, you can disable it from your startup menu via Start > Run > msconfig.
if you are using windows 7 or vista and want to change your start up programs, just type msconfig into your program search.
if you try this and the game still crashes with the trainer, click here and run through the troubleshooting guide.
* Updated game trainers and cheats daily
* Get notified when new cheats are added
* Request which games get new trainers
* Priority support with any problem