If you are a seasoned sim racer, you’ve likely spent hundreds of hours fine-tuning your Assetto Corsa experience. You have the dream hardware, the premium mod cars, and the laser-scanned tracks. But suddenly, your game hits a wall. You launch a session, or perhaps try to join an online server, and you are greeted by a frustrating, screen-stopping warning:
"Assetto Corsa is Obsolete – v1163 is Required."
Even worse, after ignoring the message, you jump into the cockpit only to find the dreaded "Extra Quality" glitch: flickering shadows, invisible cars, transparent cockpits, or rain effects that look like a broken pixel party.
Don’t uninstall your game. Don't reformat your PC. This guide will walk you through exactly why this error happens and the definitive fix to restore Extra Quality visuals using the mandatory v1163 build.
Backup:
Obtain v1163:
Install/replace:
Verify integrity:
Test in-game:
Rollback plan:
The error usually appears for three specific reasons:
If you're not using Steam or have a different version of the game, you can try manually updating the game. Be cautious when doing so, as this method may void your warranty or cause compatibility issues.
First, let's look at version history. Kunos Simulazioni officially stopped updating Assetto Corsa years ago. The last official Steam build is v1.16.3 (often written as 1.163). If you are a seasoned sim racer, you’ve
However, the modding community (through Custom Shaders Patch / CSP) and Content Manager have effectively raised the bar. Many online servers—especially drift, No Hesi, SRP (Shutoko Revival Project), and LA Canyons servers—require a specific game executable version combined with a specific CSP version.
When you see "v1.163 is required," the server is telling you:
Pro Tip: If you are using Content Manager Lite, you may not be able to update CSP easily. It is highly recommended to get the full version of Content Manager (available on Patreon or the official website) to handle version control automatically.
Some online servers enforce v1.16.3 + a specific CSP hash. To match: Backup:
