Assetto Corsa Is Obsolete V1163 Is Required Fix Hot May 2026
While dealing with obsolete software or game versions can be frustrating, solutions often exist in the form of updates, patches, or community support. For Assetto Corsa and its requirement for v1.16.3 to fix a hot issue, following the above steps should help resolve your problem and get you back to enjoying the game.
This error usually pops up because Content Manager (CM) fails to recognize a minor game update. While your game might actually be on a newer version like v1.16.4, the software gets stuck looking specifically for v1.16.3. ⚡ Quick Fix: Edit the Changelog
The most effective way to "trick" the system into working is by manually changing the version number in your game files.
Locate Root Folder: Go to your Assetto Corsa installation folder (usually Steam\steamapps\common\assettocorsa). Find File: Look for a text file named changelog.txt.
Edit Version: Open it and change the latest version number from 1.16.4 (or whatever it is) back to 1.16.3.
Save and Restart: Save the file and relaunch Content Manager. 🛠️ Other Common Fixes assetto corsa is obsolete v1163 is required fix hot
If the changelog edit doesn't do the trick, try these steps to refresh your setup: Update Custom Shaders Patch (CSP) Sometimes an outdated CSP causes version mismatches.
In Content Manager, go to Settings > Custom Shaders Patch > About & Updates.
Select the latest recommended version or click Install if it's missing. Verify Game Files Ensure your base game isn't actually corrupted. Open Steam Library. Right-click Assetto Corsa > Properties > Installed Files. Click Verify integrity of game files. Reset Content Manager
If the interface is completely broken, you may need a clean start.
Open the "Run" app (Windows Key + R) and type %localappdata%. While dealing with obsolete software or game versions
Find the AC Tools Content Manager folder and rename it to something like AC Tools Content Manager-old. Restart CM to let it rebuild its settings.
If your game still won't launch or crashes after these steps, this tutorial covers advanced compatibility and driver fixes: How to FIX Assetto Corsa All Errors YouTube• Oct 1, 2024
💡 Pro Tip: If the error message appears but the game still launches and plays fine, many users recommend just ignoring it, as it's often a visual bug in Content Manager. If you'd like more help, tell me: If the game launches despite the error Which CSP version you're currently using If you recently installed new car or track mods
If you're using Steam, follow these steps:
For non-Steam versions, you'll need to check the game's official website for patches or updates. If you're using Steam , follow these steps:
If the error persists, manually swap the file:
First, let’s decode the jargon. "v1163" refers to a specific build version of Assetto Corsa (version 1.16.3). This was the final official update released by Kunos Simulazioni before they shifted their full focus to Assetto Corsa Competizione.
The error occurs because the game performs a file integrity check (checksum) when connecting to a server. If even a single file—a car texture, a shader, a sound effect—does not match the server’s expected "vanilla" v1.16.3 standard, the server rejects you.
So, why is this happening now, years after the last patch?


