If your log file shows you are on 1.16.4, the error is likely a minor version-checking bug in an older Content Manager preview.
You are willing to spend 2 hours downgrading to v1163, installing Content Manager, and tweaking 50 settings. Avoid it if: You want a “plug and play” modern sim like Automobilista 2 or iRacing. assetto corsa is obsolete v1163 is required link
Assetto Corsa remains one of the most popular simulation racing titles, largely due to its massive modding community and the Content Manager (CM) tool. However, users frequently encounter the error message: (or in some cases, v1.16.4), particularly when trying to run the latest Custom Shaders Patch (CSP) updates. If your log file shows you are on 1