Distributions and versions supported by each trainer are listed on the game's index page. This may also happen if the trainer was created specifically for the Steam version and you are using the Origin version or some other distribution of the game. If the game has patched since the trainer was last updated this can cause a crash. Make sure the trainer version matches the game version and distribution. It may also be necessary to give full permissions to the Windows TEMP folder. Trainers need full Windows permission to access the game in memory and create temporary files. It may also be necessary to do this on the game as well. exe file and choose 'Run as Administrator'. When running it, please right click on the trainer. Make sure you fully extract the trainer from the. Consult your security product documentation for instruction on how to do this.

Some must be completely uninstalled or the trainer and its temporary files whitelisted. Some security products will still block or interfere with trainers even when disabled. This type of issue can be caused by interference of third party software, typically security software. Temporarily disable/uninstall all antivirus, firewall and other security software.