Assetto Corsa Is Obsolete V1163 Is Required Fix 'link' Jun 2026

If you are a dedicated Assetto Corsa racer, especially one utilizing Content Manager and Custom Shaders Patch (CSP), you may have encountered the frustrating error message: .

The error " Assetto Corsa is obsolete (v1.16.3 is required)"

The most common reason for frustration is that , but the server disagrees. assetto corsa is obsolete v1163 is required fix

. Even if your game is fully updated on Steam (often to v1.16.4), CM may incorrectly flag it as outdated. Primary Fix: Modify the Changelog File

Simply put: Your Steam validation passed, but your server handshake failed. You have a mismatch. If you are a dedicated Assetto Corsa racer,

The "obsolete" message is just a common hiccup in the life of a heavily modded simulator.

If editing the text file feels wrong, you can force Steam to ensure you have the correct version. Open and go to your Library . Right-click on Assetto Corsa and select Properties . Even if your game is fully updated on Steam (often to v1

" in Content Manager (CM) is usually a false positive caused by a minor game update that confuses the Custom Shaders Patch (CSP) or CM. Recommended Fixes Edit the Changelog (Quickest Fix) CM sometimes checks the changelog.txt file to verify the game version. Go to your Assetto Corsa root folder (usually SteamLibrary\steamapps\common\assettocorsa changelog.txt Find the very top entry (likely ) and change the number to Save the file and restart Content Manager. Update or Reinstall CSP

The most reliable way to bypass this check is to manually change the version number that Content Manager reads from your game files. Locate your root folder : Right-click Assetto Corsa in your Steam Library Browse local files Open the text file : Find a file named changelog.txt Edit the version : At the very top of the file, you will likely see . Change this number to Save and Restart : Save the file and restart Content Manager. Steam Community Alternative Solutions If editing the changelog doesn't work, try these steps:

. This usually happens after a small official update that the third-party launcher does not yet recognize. Common Fixes