Change the very first version number you see (likely 1.16.4 ) to 1.16.3 . the file and restart Content Manager. Alternative Solutions If editing the text file doesn't work, try these steps:
Many players have found that the game actually has the necessary files, but a version number mismatch in the game directory triggers the "obsolete" flag. You can manually bypass this check: Navigate to your Assetto Corsa root folder. (Typically: C:\SteamLibrary\steamapps\common\assettocorsa Locate the file named changelog.txt Open it with Notepad. Change the very first version number you see (likely 1.16.2 or 1.16.4) to Save the file and restart Content Manager. Solution 2: Reinstall and Verify Game Files
The message is slightly misleading. It does not mean your copy of Assetto Corsa is outdated. Instead, it means Content Manager has lost its connection to the base game executable ( acs.exe ) or the Custom Shaders Patch (CSP) cannot verify your game version. Common Triggers assetto corsa is obsolete v1163 is required link
Locate the file named .
. This will ensure you have the actual latest version (v1.16.4). Enable 32-bit Version: In Content Manager, go to Content Manager and check the box for "Use 32-bit version" ; some users find this clears the launch error. Update CSP Manually: Ensure you are using the most recent version of Custom Shaders Patch Change the very first version number you see (likely 1
If you're uncomfortable editing the file, you can simply rename it.
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: Launching mods via Content Manager before ever opening the vanilla game launcher leaves registry strings blank. Step-by-Step Fixes