The error " Assetto Corsa is obsolete (v1.16.3 is required)" is a known bug in Content Manager (CM) and the Custom Shaders Patch (CSP). It typically occurs because the current version of the game (v1.16.4) is actually newer than what the patch expects, causing a version mismatch. Recommended Fixes
Navigate to your Assetto Corsa root folder (usually SteamLibrary\steamapps\common\assettocorsa). Locate a file named changelog.txt. assetto corsa is obsolete v1.16.3 is required
Quick review:
In Content Manager, before you click "Join," look at the server details pane. Many modern servers explicitly list: The error " Assetto Corsa is obsolete (v1
Recently, it's been announced that v1.16.3 is required to continue playing Assetto Corsa. This has sparked a heated debate among the community, with some arguing that the game is now obsolete and should be replaced with a newer, more modern racing simulator. Update via Steam
acs.exe into the root directory of your launcher, not just the game folder.