Assetto Corsa Is Obsolete V1.16.3 Is Required «2027»

Title: The "Obsolete" Error: A Misleading Headline for the King of Mods

If you check your Steam properties, the final public build of Assetto Corsa (including all DLC) is v1.16.4 (or v1.16.3 for some legacy branches). Kunos Simulazioni stopped developing the title years ago to focus on Assetto Corsa Competizione. So why is a server demanding a version that is lower than the current Steam build? assetto corsa is obsolete v1.16.3 is required

Title: Understanding and Fixing the “Assetto Corsa is Obsolete – v1.16.3 Required” Error

What Does This Error Mean?

When launching Assetto Corsa (especially via Content Manager, modded servers, or certain online racing communities), you may encounter the message: Title: The "Obsolete" Error: A Misleading Headline for

Go to Settings → Content Manager → General – ensure the game path points to the correct Steam installation. If your game is actually v1

• Backup saves and screenshots: Steam userdata or Documents\Assetto Corsa settings if needed.
• Uninstall Assetto Corsa via Steam.
• Delete leftover installation folder (usually C:\Program Files (x86)\Steam\steamapps\common\assettocorsa) and local config folders if safe to remove.
• Reinstall from Steam and verify it updates to latest version.

If your game is actually v1.16.3 but you still see the error, update your Content Manager reinstall the Custom Shaders Patch (CSP)