If you are a regular user of and Custom Shaders Patch (CSP) for Assetto Corsa, you have likely encountered this infuriating error message: "Assetto Corsa is obsolete (v1.16.3 is required)" .
Copy your user profiles or setups to a safe location if you want to back them up. Delete the folder. assetto corsa is obsolete v1163 is required fix
This error appears deceptively simple but can be a nightmare to troubleshoot. It prevents you from joining online races, locks you out of leagues, and makes it seem like your game is permanently broken. If you are a regular user of and