Assetto Corsa Is Obsolete V1163 Is Required Link Repack File

If verification fails, the user may have inadvertently opted into a "Beta" or legacy branch (e.g., pre-1.16) within Steam properties.

Your antivirus or Windows Defender might be quarantining or blocking a crucial file related to the Custom Shaders Patch or even the core acs.exe executable. When these files are blocked or removed, CSP cannot function correctly and may throw this error.

: Many users fix this by manually tricking the game. Navigate to your Assetto Corsa root folder, open changelog.txt , and change the version number from Update Content Manager & CSP : Ensure you are using the latest version of Content Manager assetto corsa is obsolete v1163 is required link

: If the game actually fails to launch, right-click Assetto Corsa in your Steam Library , select Properties > Installed Files , and click Verify integrity of game files to ensure you truly are on the latest version.

Kunos Simulazioni never officially released v1163 as a public beta branch on Steam. However, some users report that selecting the “previous” or “legacy” branch under Steam > Properties > Betas can revert to a version close to v1163. If verification fails, the user may have inadvertently

Assetto Corsa received its final official PC update (version 1.16.3) from Kunos Simulazioni years ago. If you are seeing an "obsolete" error today, it generally means one of three things:

The "Obsolete / V1163 required" error is almost never a problem with the base Assetto Corsa game files. Instead, it is a communication breakdown between , the Custom Shaders Patch (CSP) , and the server you are trying to join. Here are the primary causes: : Many users fix this by manually tricking the game

: Small security or background updates from Kunos Simulazioni can cause Content Manager to misread the core version number.

If your game actually is missing files or stuck on an old version, use Steam's built-in repair tool. Right-click Assetto Corsa in Steam . Go to > Installed Files .

: Minor updates, such as the addition of promotional cars or esports events (e.g., Ferrari Esport events), can bump the version number without changing core files, causing this software "confusion". Troubleshooting Checklist changelog.txt fix does not work, try these steps: