Assetto Corsa is Obsolete: v1.16.3 is Required - Quick Fix Guide (2026 Updated)
In Content Manager, go to > Custom Shaders Patch > About & Updates .
Alternative: Download the latest version manually from the official x4fab GitHub or the Assetto Corsa Club website, and replace your old Content Manager.exe . 3. Clear Content Manager Cache
If the game fails to launch ("Race Cancelled" error) after seeing this message: assetto corsa is obsolete v1163 is required fix
The future of Assetto Corsa is uncertain. While the game is still popular among racing enthusiasts, its online issues have driven some players away. The game's developer has announced plans to release a new game, Assetto Corsa Competizione, which promises to address some of the issues with the original game.
A: Sometimes. In many cases, you can click "No" to the warning and the game will still load, but you might experience issues with custom shaders or server compatibility.
An outdated version of Content Manager cannot correctly read modern server requirements. Launch . Click on Settings in the top right corner. Select the Content Manager tab, then click General . Look for the Check for updates button. Install any pending updates and restart the program. Step 3: Update Custom Shader Patch (CSP) Assetto Corsa is Obsolete: v1
This error often appears when attempting to install the latest versions of CSP or when joining multiplayer servers, making you feel as though your game is broken. Fortunately, this is rarely an issue with Assetto Corsa itself, but rather a version discrepancy between your core game files and the modern mods you are attempting to run.
Here is the foolproof, step-by-step method:
If the issue persists, click and install a fresh version cleanly. Summary Checklist Potential Fix 1 Steam Verification Restores missing executables 2 Fixes compatibility bugs 3 Clear Cache Removes corrupted version data 4 Admin Rights Bypasses Windows file locks 5 Path Check Corrects moved game files If you want to troubleshoot this further, let me know: Did you recently move the game to a new drive? Are you using a pirated or legitimate Steam copy? What CSP version do you currently have installed? Clear Content Manager Cache If the game fails
Open it and change the top version number (likely 1.16.4 ) back to 1.16.3 . Save the file and restart Content Manager.
However, Assetto Corsa Competizione is a separate game, and players who enjoy the original game may be left wondering what the future holds for them. Will Kunos Simulizioni release a new patch to fix the issues with Assetto Corsa, or will the game be left to fade into obscurity?