Assetto Corsa Is Obsolete V1.16.3 Is Required Fix Jun 2026

This is the solution you'll find most often recommended in forums and Discord communities. It's quick, reversible, and has helped thousands of players.

The confusion stems from the phrasing of the error itself. When a user sees "obsolete," the natural assumption is that their software is outdated and requires an update to a newer version. However, in the context of Assetto Corsa modding, the opposite is often true. Version 1.16.3 represents the final official update released by Kunos Simulazioni before they shifted their full focus to Assetto Corsa Competizione . Consequently, when the game throws this error, it is usually signaling a version mismatch caused by Steam’s automatic updating system conflicting with the requirements of third-party mods. assetto corsa is obsolete v1.16.3 is required fix

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This error message is one of the most common hurdles for new players or those returning to the game after a fresh install. While the phrasing suggests the game is broken or outdated, the solution is straightforward. This essay explores why this error occurs and provides a step-by-step guide to fixing it so you can get back on the track. When a user sees "obsolete," the natural assumption

So, you open Content Manager, head to the CSP settings, and are met with a notification that your game is obsolete. The error message, Assetto Corsa is obsolete (v1.16.3 is required) , is a false alarm that arises from a specific compatibility issue. The core problem is a mismatch between the version of the game being reported to your Custom Shaders Patch (CSP) and the version the CSP expects. The confusion is amplified because checking the game's log file will often reveal you are running version , which is actually a more recent update than the 1.16.3 the CSP is looking for.

Once you have fixed the issue, here is how to avoid seeing again: