If you continue to have issues after trying these steps, your best resource is the official EA Help website or community forums like PCGamingWiki, where other players may have found specific solutions. The game is designed to use fifaconfig.exe for settings, so getting it working is the key to a great FIFA 19 experience.
There are three main reasons this file might be missing or failing to run: fifaconfig.exe download fifa 19
If the file exists but refuses to open: