Assetto Corsa Is Obsolete V1163 Is Required Fix High Quality Jun 2026

: Close and reopen Content Manager. The error should vanish, and you can head back to the track. Alternatively, many users reported that simply ignoring the message

How to Fix the "Assetto Corsa is Obsolete: v1.16.3 is Required" Error

The absolute fastest way to bypass this version mismatch error is to manually edit the Assetto Corsa changelog text file. Content Manager frequently reads this text file to verify which version of Assetto Corsa you are running. Close and Steam completely. assetto corsa is obsolete v1163 is required fix

To properly configure CM for v1163:

It feels like the end of the road, but it’s actually just a communication breakdown. Kunos released a tiny, unannounced update (version 1.16.4) that changed just enough to confuse the Custom Shaders Patch : Close and reopen Content Manager

Custom Shaders Patch (often updated through Content Manager) sometimes fails to recognize these small updates, causing it to incorrectly report your game as "obsolete".

Do not simply uninstall via Steam. Steam leaves registry keys and DLLs behind. Content Manager frequently reads this text file to

: Open Content Manager and try joining the server again. Alternative Solutions

Wait for Steam to download any missing or corrupted version files. Step 2: Update Content Manager

Open and head to the top right menu: Settings > Custom Shaders Patch .