Assetto Corsa Is Obsolete V1163 Is Required Fix Jun 2026

This will reset official files to the correct state, though you may need to re-apply the "Changelog" fix afterward if the error persists. Assetto Corsa Requirements Summary Minimum Requirement Recommended Windows 7 SP1 / 10 Windows 10 / 11 CPU Intel Core 2 Duo 2.4 GHz Intel Quad-Core / AMD Six-Core RAM GPU NVIDIA GeForce GT 460 NVIDIA GTX 970 / AMD R9 290X Storage 30 GB (SSD recommended)

The future of Assetto Corsa is uncertain. While the game is still popular among racing enthusiasts, its online issues have driven some players away. The game's developer has announced plans to release a new game, Assetto Corsa Competizione, which promises to address some of the issues with the original game.

Open it with Notepad and find the very first line (the most recent version entry).

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.” assetto corsa is obsolete v1163 is required fix

Navigate to the mod’s data.acd (encrypted physics) or its loose data folder. Look for a file named handshake.ini . If it doesn’t exist, create it.

Assetto Corsa is obsolete (v1.16.3 is required)" a common bug in Content Manager (CM)

If the base game files are genuinely corrupted or missing a minor update: Right-click in your Steam Library. This will reset official files to the correct

Find the folder named and temporarily rename it to AcTools Content Manager-old .

The most effective and lasting solution for the vast majority of users is the changelog.txt edit. If you follow the steps in this guide, you'll be able to dismiss this misleading error for good, get back into the driver's seat, and continue enjoying the best racing simulator the modding community has to offer.

Older builds (pre-1163) rely on deprecated graphics and physics APIs. Modern content—from Custom Shaders Patch (CSP) to extended physics (CSP’s “Extended Physics” or RainFX)—explicitly requires the 1163 executable. The game's developer has announced plans to release

Your local game files are somehow lagging behind the latest official patch.

The most confusing part of this error is that your game is likely completely up to date—usually running version 1.16.4 or later on Steam . The error occurs because or your installed Custom Shaders Patch (CSP) is failing to recognize the newer version of the game. It misinterprets your modern version as an old, incompatible build, completely halting the loading screen. 🛠️ The Step-by-Step Fixes Fix 1: Edit the changelog.txt File (The Quickest Bypass)

Now, get back to racing. The track is waiting.

: Open Content Manager, go to Settings > Custom Shaders Patch > About & Updates , and select a different version or click "reinstall current".

The older version of CSP is programmed to look for and understand only version "1.16.3" in this file. When it sees "1.16.4", it doesn't recognize it, assumes your game is incompatible, and throws the false error.