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Assetto Corsa Is Obsolete V1163 Is Required Fix ((full)) Here

Assetto Corsa is obsolete (v1.16.3 is required)" a common bug in Content Manager (CM)

caused by a minor official game update that the launcher doesn't recognize

. Even if your game is fully updated on Steam (often to v1.16.4), CM may incorrectly flag it as outdated. Primary Fix: Modify the Changelog File

The most reliable way to bypass this check is to manually change the version number that Content Manager reads from your game files. Locate your root folder : Right-click Assetto Corsa in your Steam Library Browse local files Open the text file : Find a file named changelog.txt Edit the version : At the very top of the file, you will likely see . Change this number to Save and Restart : Save the file and restart Content Manager. Steam Community Alternative Solutions If editing the changelog doesn't work, try these steps:

The error message Assetto Corsa is obsolete (v1.16.3 is required)"

is a common bug where Content Manager (CM) or the Custom Shaders Patch (CSP) fails to recognize a recent minor update from Kunos. Paradoxically, your game is likely version 1.16.4, which is

than the required version, but the modding tools don't understand the change. The Story of the Obsolescence Glitch assetto corsa is obsolete v1163 is required fix

Imagine you've just sat down for a weekend racing session. You fire up Content Manager

, ready to tear up the Nordschleife, but instead of the roar of an engine, you’re met with a cold, digital rejection: Assetto Corsa is obsolete.

It feels like the end of the road, but it’s actually just a communication breakdown. Kunos released a tiny, unannounced update (version 1.16.4) that changed just enough to confuse the Custom Shaders Patch

. The tools are looking for a specific "v1.16.3" signature that no longer exists in the way they expect. How to Fix the "Obsolete" Error

You can resolve this in less than two minutes by tricking the software into seeing the version it wants. Locate the Changelog

: Go to your Assetto Corsa root installation folder (usually SteamLibrary\steamapps\common\assettocorsa Edit the Version : Find the file named changelog.txt . Open it with Notepad. The "Downgrade" Trick : At the very top of the file, you will see VERSION 1.16.4 . Simply change the so it reads VERSION 1.16.3 and save the file. Assetto Corsa is obsolete (v1

: Close and reopen Content Manager. The error should vanish, and you can head back to the track. Alternatively, many users reported that simply ignoring the message

works fine, as the game still launches and runs perfectly despite the warning. latest CSP preview to ensure your graphics mods are fully up to date?

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

" in Content Manager (CM) is usually a false positive caused by a minor game update that confuses the Custom Shaders Patch (CSP) or CM. Recommended Fixes Edit the Changelog (Quickest Fix) CM sometimes checks the changelog.txt file to verify the game version. Go to your Assetto Corsa root folder (usually SteamLibrary\steamapps\common\assettocorsa changelog.txt Find the very top entry (likely ) and change the number to Save the file and restart Content Manager. Update or Reinstall CSP

The error often stems from an outdated version of the Custom Shaders Patch. In Content Manager, go to Custom Shaders Patch About & Updates

Select a newer version from the list on the right (like a stable "recommended" build) to force a refresh. Run Game on Steam First Fix Strategies — For Server Operators / League Admins

If you recently reinstalled the game, launch it once directly through the standard Steam launcher to ensure all initial setup and registry keys are finalized before using Content Manager. Manual Folder Creation

Some users fix CSP-related installation errors by manually creating the required folder structure: In the AC root folder, create a new folder named (if it doesn't exist). , create a folder named

: In many cases, this error is purely visual. If the game still launches and mods work, you can safely ignore the message Are you able to launch a race

, or does the error prevent the game from starting entirely?

Case Study (Hypothetical)

A competitive league required v1.1.6.3 after frequent desyncs. By providing a central mod repository, step-by-step guides, and a two-week grace period, migration success reached 92% with minimal match cancellations and a 70% reduction in server-side support tickets.

6) Reinstall (if updates fail)

  1. Backup your “assettocorsa” folders like Documents\Assetto Corsa\cfg and custom content.
  2. Uninstall via Steam.
  3. Delete leftover installation folder (usually steamapps/common/assettocorsa).
  4. Reinstall from Steam and restore backed up config/content as needed.
  5. Verify and launch.

Fix Strategies — For Server Operators / League Admins

  1. Announce Required Version: Provide clear notices and countdowns before enforcing v1.1.6.3.
  2. Server-side Version Checks: Configure server to require client version v1.1.6.3 and provide helpful rejection messages.
  3. Offer Tools and Guides: Publish step-by-step update instructions and automated scripts for common platforms.
  4. Provide a Grace Period: Allow dual-version access briefly while encouraging updates.
  5. Maintain a Mod Repository: Host vetted mod versions compatible with v1.1.6.3 to reduce client-side mismatches.
  6. Run Compatibility Tests: Use staging servers to test third-party plugins and mods before enforcement.

5) Manual game version mismatch (rolling back or forcing update)