To fix the "Assetto Corsa is obsolete, v1.16.3 is required" error—which usually pops up when trying to use Content Manager or CSP (Custom Shaders Patch)—you typically need to verify your game files or update your version of Content Manager.
[FIX] "Assetto Corsa is obsolete, v1.16.3 is required" Error
If you’re seeing the "obsolete" error while trying to launch the game or enable Extra Quality settings in CSP, it usually means t Follow these steps to get back on track: 1. Verify Steam Game Files (Most Likely Fix)
Even if Steam says the game is updated, some core files might be corrupted or missing. Close Assetto Corsa and Content Manager. Open Steam > Library. Right-click Assetto Corsa > Properties.
Go to Installed Files and click Verify integrity of game files.
Steam will download any missing files to ensure you are truly on v1.16.3. 2. Update Content Manager
An outdated version of Content Manager may fail to recognize the current game version. Open Content Manager. Go to Settings > Content Manager > General. To fix the "Assetto Corsa is obsolete, v1
Check for updates and install the latest "Untested" (GitHub) version if the stable one isn't working. 3. Reinstall Custom Shaders Patch (CSP)
"Extra Quality" settings are tied directly to CSP. If the patch is bugged, it triggers version errors.
In Content Manager, go to Settings > Custom Shaders Patch > About & Updates.
On the right side, select a different version (e.g., 0.1.79 or the latest preview) to force a clean reinstall of the patch files. 4. Check the "version.txt"
If the error persists, check your root folder (usually steamapps\common\assettocorsa). Find a file named version.txt.
Ensure it says 1.16.3. If it doesn't, the Steam verification in Step 1 is mandatory. Step 2: The Steam Integrity Fix (Restores v1
Note: If you are using a "cracked" or non-Steam version of the game, CSP and Content Manager often fail to validate the version correctly. Switching to the official Steam version fixes this instantly.
It sounds like you are trying to join an online server or load a content manager setup, but you are receiving an error message stating that Assetto Corsa is obsolete and that version 1.16.3 (or similar) is required.
Because Assetto Corsa (AC) is frequently updated by the community (CSP - Custom Shaders Patch) and official patches, version mismatches are the most common reason for this error.
Here is a helpful guide to fixing this issue and ensuring you can run Extra Quality settings.
Follow this guide precisely. Do not skip steps.
If you're not using Steam or have a different version of the game, you can try manually updating the game. Be cautious when doing so, as this method may void your warranty or cause compatibility issues. Right-click Assetto Corsa in Steam > Properties >
C:\Program Files\Kunos Simulazioni\Assetto Corsa).If you are a sim racer who heavily mods Assetto Corsa, you have likely been greeted by a frustrating red wall of text in the Chat Box or Console:
"Assetto Corsa is obsolete – v1.163 is required"
Followed immediately by connection drops, missing cars turning into grey boxes, or the dreaded "Race Cancelled" screen. For many, this error also ushers in a cascade of visual and performance degradation—objects popping in late, textures failing to load (destroying the Extra Quality settings you paid good GPU silicon for), and overall instability.
Why is this happening? Is your game truly "obsolete"?
Short answer: No. Your game is likely perfectly fine. The problem lies in a server-client version mismatch, combined with corrupted configuration files that kill your graphical fidelity.
This article will explain exactly what v1.163 means, why the game claims you are obsolete, and—most importantly—how to fix the error while restoring Extra Quality graphics.