The consensus is clear: do not run the trainer with your antivirus active . Instead, you must add the trainer's file or the entire folder you downloaded it to, to your antivirus software's "exclusion" or "whitelist".
Always download trainers from reputable sites and be aware that these tools may be flagged by antivirus software as "false positives" because they inject code into the game's process. WeMod Community Alternative: Console Cheats crysis 3 v 1.3 0.0 trainer
Always use trainers exclusively in the Single-Player Campaign. Attempting to use a trainer while connected to multiplayer servers can result in an immediate and permanent ban from EA online services. The consensus is clear: do not run the