Right-click on changelog.txt and open it with a basic text editor like Notepad. Inside, you will see a list of version numbers that serve as an update history for the game. You need to make a very small change.
Many users encounter this because their version of CSP is outdated or improperly installed.
Some mods or versions of Custom Shaders Patch (CSP) are hard-coded to check for version 1.16.3 .
Permissions issues can prevent your custom launcher from reading the actual game version from your hard drive. Right-click your . Select Properties . Go to the Compatibility tab. Check the box for Run this program as an administrator . Click Apply and OK . assetto corsa is obsolete v1163 is required fix
is a common bug where Content Manager (CM) or the Custom Shaders Patch (CSP) fails to recognize a recent minor update from Kunos. Paradoxically, your game is likely version 1.16.4, which is
If the mod still refuses, download the “acs1163_compat.dll” (search GitHub – look for user “@kunos_retro”). Place it in the mod’s extension folder. This DLL intercepts the version check and replies: “Yes, commander. This is a 2015-spec AC.”
Click the button within Content Manager if possible, or do this in Steam: Right-click on changelog
While Assetto Corsa has not received a formal content update from Kunos in years, Steam still manages the executable. If a recent modification or manual edit has altered the core game files, the system might see it as "obsolete."
Custom Shaders Patch determines your game version by reading a single text file in your Assetto Corsa root folder: [10†L11-L13]. This file is created when Kunos releases updates. When your game updates to v1.16.4, this file is automatically modified to include a new entry:
This is a very logical question. Many users see the error and think they need to update their game to version 1.16.3 . The reality is that you likely already have a newer version. The official Kunos launcher for Assetto Corsa will not let you revert to an older version like 1.16.3 . The game and its official support have moved on. This is precisely why the community-developed changelog.txt fix is the preferred solution. Many users encounter this because their version of
It remains a cost-effective, high-performance simulator with a massive user base.
Imagine you've just sat down for a weekend racing session. You fire up Content Manager