Is Obsolete V1.16.3 Is Required |link| | Assetto Corsa

The message Assetto Corsa is obsolete (v1.16.3 is required)"

a common technical "glitch" within the modding community, specifically occurring when using Content Manager (CM) Custom Shaders Patch (CSP) The Backstory: A Version Confusion

Despite the ominous wording, this error usually doesn't mean your game is actually broken or out of date. Instead, it is typically caused by a mismatch in how third-party mods read the game's version file. The Conflict: Assetto Corsa's official development ended years ago, with

(released in January 2018) being the long-standing final stable version. The "Small Update" Trigger:

Occasionally, Kunos Simulazioni (the developers) releases tiny, unannounced updates—such as one for a Ferrari esports event—which bumps the internal version number to The Error:

Because the Custom Shaders Patch was specifically coded to look for v1.16.3, it sees v1.16.4 and assumes your game is "obsolete" or unrecognized, even though you technically have a How to Fix the "Obsolete" Error

You can resolve this without a full reinstall by tricking the software into seeing the version it expects. assetto corsa is obsolete v1.16.3 is required

This error message typically appears when Content Manager (CM) or a specific mod (like Custom Shaders Patch

) cannot find the necessary core game files or when your installation is outdated or corrupted

. Even though the "v1.16.3" refers to the final official version of Assetto Corsa , modern mods require this specific build to function. Common Fixes Verify Game Files on Steam : This is the most effective fix for "obsolete" errors. Right-click Assetto Corsa in your Steam Library. Properties Installed Files

Is Your Assetto Corsa Obsolete? Decoding the "v1.16.3 is Required" Error

If you are a sim racer who enjoys the limitless world of modding in Assetto Corsa, you have likely been greeted by a frustrating red wall of text recently. It appears when you try to join a specific online server or launch a particular modded car. The message reads:

"Assetto Corsa is obsolete. v1.16.3 is required."

For the casual driver, this error is confusing. You bought the game on Steam. It updates automatically. How can it be "obsolete"? Why is it asking for a version number that doesn't seem to exist in your Steam library? And most importantly: Do you actually need to downgrade, or is there a fix? The message Assetto Corsa is obsolete (v1

Let’s break down exactly what this error means, why it is happening in 2024/2025, and how to fix it without breaking your entire mod library.

The "Crypto Mod" Problem

You will almost exclusively see the "v1.16.3 is required" error with encrypted mods. In the last three years, the modding community has split into two factions over encryption.

• Pro-encryption: Modders argue that Chinese piracy sites steal their models within hours of release. Encryption ensures only paying customers can use the mod.
• Anti-encryption: Purists argue encryption breaks compatibility with third-party apps (like SimHub or Crew Chief) and causes errors like this.

Regardless of your stance, the reality is that major studios like First Studio Race (FSR) , United Racing Design (URD) , and many top-tier Japanese drift car packs now use encryption tied to v1.16.3. You cannot bypass it. You must comply.

✅ Official Method (Steam)

1. Verify the game files in Steam:

   • Right‑click Assetto Corsa → Properties → Installed Files → Verify integrity of game files.
   • Steam will re‑download any missing or outdated files, including the 1.16.3 update.

2. Check for hidden updates:

   • Ensure Steam is in online mode.
   • Go to Downloads and force an update check.
   • If the version remains old, opt into the public branch (no betas) – 1.16.3 is the default.

3. Reinstall as last resort – back up your cars, tracks, and setups first. Regardless of your stance, the reality is that

Step 3: Force the "Version Spoof"

This is the magic trick. CSP allows you to lie to the server about your version to maintain compatibility.

• In Content Manager -> Settings -> Custom Shaders Patch -> General Patch Settings.
• Scroll down to "Miscellaneous" or use the search bar.
• Look for: "Enable version spoofing" or "Reported game version."
• Manually type in: 1.16.3
• Check the box to force this report.

By doing this, your game (running on 1.16.4 + CSP 0.2.x) tells the server: “Hello, I am version 1.16.3.” The server accepts the handshake, and you join.

Quick checklist (try in order)

1. Verify Steam game updates are enabled.
2. Update Assetto Corsa via Steam (see steps below).
3. Verify game files through Steam.
4. Remove or update mods/launchers that enforce versions.
5. Use a clean install if issues persist.
6. Ensure server you connect to supports your game version or update to match server requirement.

⚙️ If You Use Content Manager (CM)

• After updating via Steam, open CM. It should detect v1.16.3 automatically.

• Go to Settings → Content Manager → General – ensure the game path points to the correct Steam installation.

• Disable any version override in CM:

  • Drive tab → Game Launcher – make sure no custom executable is forcing an older version.

Three Reasons You Are Seeing This Error

Why You Shouldn't Ignore This Error

Many sim racers think, "It's just one car. I'll drive something else."

But ignoring this error can lead to knock-on crashes. If you load a track that has an encrypted sponsor billboard (yes, this happens) or join a multiplayer server running an encrypted car pack, the error will crash your entire game, not just the car.

Furthermore, if you are a league racer, your league will likely require v1.16.3 for anti-cheat compatibility. Running a modified .exe can get you banned from SGP (SimGrid) or LFM (Low Fuel Motorsport).