Assetto Corsa Is Obsolete V1163 Is Required Fix Extra Quality <RECENT — 2025>

CSP hates interference.

In , navigate to Settings > Custom Shaders Patch .

through Content Manager (CM) and were hit with a red error claiming your game is "obsolete" and requires version , you aren't alone. This confusing message often appears even if your Steam version is actually 1.16.4 —a newer release.

Some online servers enforce v1.16.3 + a specific CSP hash. To match: CSP hates interference

Delete the following folders entirely (back up your cfg folder first):

Once the version mismatch is resolved, you can leverage CSP and Content Manager to push Assetto Corsa’s graphical limits. To achieve maximum realism without destroying frame rates, focus on these critical settings under : Extra Repercussions & Lighting FX

First, let's decode the jargon. Kunos Simulazioni stopped officially updating Assetto Corsa years ago. The final official Steam build is (commonly shortened to v1163). However, the modding community—specifically the brilliant minds behind Custom Shaders Patch (CSP) and Content Manager —have pushed the game far beyond its original limits. This confusing message often appears even if your

Open it with Notepad, find the very first version number at the top, and change it to 1.16.3 . Save and restart Content Manager.

You are left with vanilla Kunos graphics from 2014. That is why "Extra Quality" feels obsolete.

In Content Manager, go to > Custom Shaders Patch > About & Updates . To achieve maximum realism without destroying frame rates,

How to Fix "Server Contains Unavailable Content" (The v1.16.3 Fix)

The emergence of v1.16.3 has sparked a renewed interest in Assetto Corsa, with some players returning to the game to experience the improvements. As the community continues to provide feedback and support, it's possible that we'll see a resurgence in modding activity and community engagement.

The error is almost always a false positive caused by a communication breakdown between , Custom Shaders Patch (CSP) , and your root Assetto Corsa executable ( acs.exe ) .

First, ensure your Assetto Corsa is up to date. The game might have received updates that make it compatible with newer systems or mods.

Check the server error log in the Assetto Corsa launcher. It will usually say [Content Name] is missing or [Content Name] has checksum mismatch .