How to fix GTA 5 Script Hook V Fatal Error on PC If you've been suffering from this particular problem, here is what you need to know. In this article, we'll cover everything you need to know about GTA 5 Script Hook V Critical Error, including how to understand what this error is, and what you can do to fix it. The GTA 5 Script Hook V Critical Error may sound odd, but it's a critical error that has been blighting GTA V players on PC.Īlongside the classic GTA 5 error joining session and GTA Online update slow download issues, the Script Hook error continues to frustrate GTA players.