Assetto Corsa Is Obsolete V1.16.3 Is — Required Fix
The error message Assetto Corsa is obsolete (v1.16.3 is required)" a common issue typically encountered when using Content Manager (CM) Custom Shaders Patch (CSP)
. Despite the warning, your game is often actually more up-to-date than the error suggests—many users are on version , which CM or CSP may fail to recognize correctly. 1. The "Changelog" Text Edit (Primary Fix)
The most effective and direct solution is to trick Content Manager into recognizing your version by editing a single text file in your game directory. Locate your Root Folder and go to your . Right-click Assetto Corsa Browse local files Find changelog.txt : Search for a file named changelog.txt in the main folder. Edit the Version
: Open the file with Notepad. At the very top, you will likely see . Change this number to Restart Content Manager : Relaunch CM to see if the error is resolved. 2. Verify Game Integrity via Steam assetto corsa is obsolete v1.16.3 is required fix
If your game files are truly missing data or the versioning is corrupted, use Steam's built-in repair tool. Steam Library Right-click Assetto Corsa and select Properties Navigate to Installed Files Verify integrity of game files
Steam will download any missing or outdated files to ensure you are on the latest official build (which includes the final 1.16.3/1.16.4 updates). 3. Update Custom Shaders Patch (CSP)
Sometimes the error occurs because an older version of CSP doesn't understand newer game builds. The error message Assetto Corsa is obsolete (v1
Post-Fix Considerations
Once the verification is complete and the download finishes, launch the game. The "Obsolete" error should disappear, replaced by the familiar loading screen of the Launcher.
It is worth noting that the official version of Assetto Corsa has progressed far beyond v1.16.3. The current standard is version 1.16.4 (and often higher depending on the DLC installed). By fixing the v1.16.3 requirement, you are essentially catching the game up to the baseline required to play online and use modern mods.
Advanced checks
- Inspect acServer / server configuration if you host a server: ensure server build and client compatibility settings are correct.
- Check Windows file permissions and antivirus: sometimes AV quarantines updated DLLs. Temporarily disable AV to test.
- Review log files: steamapps/common/assettocorsa/logs and Content Manager logs for specific version check failures.
The Solution: Force Updating via Steam
The fix for this error does not require complex coding or file manipulation. It requires ensuring Steam downloads the necessary v1.16.3 data. If the error persists despite you believing the game is updated, you likely need to force Steam to verify the file integrity. Inspect acServer / server configuration if you host
Here is the step-by-step method to resolve the issue:
- Open your Steam Library: Navigate to your list of games and locate Assetto Corsa.
- Access Properties: Right-click on Assetto Corsa and select Properties from the context menu.
- Navigate to Installed Files: In the Properties window, look for the tab on the left labeled Installed Files (in the modern Steam interface) or Local Files (in older Steam skins).
- Verify Integrity: Click the button that says "Verify Integrity of Game Files."
Once you click this, Steam will pause for a moment and then begin a check. It will compare your installed files against the master files on the Steam server. If it detects that the v1.16.3 data is missing or that your executable is an older version, it will automatically queue a download for the missing update.
When to contact support or server admin
- After clean reinstall and mod removal the error persists.
- The server explicitly lists v1.16.3 and you cannot update (Steam shows latest already).
- You suspect a server-side build mismatch — contact the server admin to confirm required client build.
7) If you need to roll back to an older version (not recommended)
- Steam doesn’t officially support rolling back; you must keep a copy of the older game folder offline. Restoring that copy may break multiplayer and will not receive updates.
Part 4: What If Nothing Works? The Nuclear Options.
You’ve verified files, disabled version emulation, and reinstalled CSP. The error persists. At this point, consider these last-resort solutions.
Part 3: The Definitive Fix – Step by Step
Here is the most effective way to solve “assetto corsa is obsolete v1.16.3 is required” for legitimate users.