Welcome to the community @skunkjudge. 
First of all, make sure your copy of the game is up to date and is legitimately purchased (or gotten free) from the Epic Games store. If it is, continue reading.
What antivirus program do you use?
This issue you’re experiencing is almost always caused by either antivirus interference or a firewall (sometimes a third-party firewall, such as a school or college one). Sometimes antiviruses will decide that they don’t like a very specific trainer, but is fine with other ones. 
Give these troubleshooting steps a whirl here: Wemod failed loading the cheats into your game.