Here are the most effective ways to fix it and get "Extra Quality" working: 1. The "Changelog" Trick (Quickest Fix)
If the base game files are genuinely missing something required for "Extra Quality" features: Open and go to your Library . Right-click Assetto Corsa > Properties > Installed Files . Here are the most effective ways to fix
Open it with Notepad, find the very first version number at the top, and change it to 1.16.3 . Save and restart Content Manager. Here are the most effective ways to fix
If you want to use the "Extra Quality" features in CSP (like improved reflections or better anti-aliasing), you must have a compatible Custom Shaders Patch version installed. Here are the most effective ways to fix
Obtain v1163: