For each game that uses the launcher, you will need to delete the following files or folders, if they exist, from the game’s data directory (e. Europa Universalis IV How to Fix Game Crashing on Launch (New DLC) Posted on JIf you play Europa Universalis IV and just bought and installed the new DLC, but your game starts to crashing on startup or it just won’t load, this guide was created to help you, let’s check it out. Eu4 launching the game failed Go to your steamapps/common eu4 folder, go down to the exe file, right click, go to properties, go to compatibility, and then make sure its not running on forced administrator, because the launcher can't run or force the exe to check/ask for administrator privileges, so it just gets stuck.