If you've clicked the option to replace acs.pdb with the recommended version in Content Manager and still get error messages when starting a race, replace the acs.pdb file in your Assetto Corsa folder with a fresh copy from a working installation.
Open it with Notepad, find the very first entry (likely labeled ), and change it to 1.16.3 . Save the file and restart Content Manager.
If a mod accidentally overwrote your core acs.exe file, Steam needs to replace it with the official v1.16.3 version. Open your . Right-click Assetto Corsa and select Properties . Go to the Installed Files tab. Click Verify integrity of game files .
The most effective way to "trick" the system into working is by manually changing the version number in your game files. assetto corsa is obsolete v1163 is required fix hot
If you see files like acs_ori.exe or AssettoCorsa_old.exe , move them out of the folder temporarily to see if the error clears. To help narrow down the exact cause, please let me know: Did this error start ?
Kunos Simulazioni released the final official update for the original Assetto Corsa, bringing it to . This is the last version the original game was built to recognize.
You are running a legitimate Assetto Corsa v1.16.3, but something is interfering with the Steam API hook. This could be: If you've clicked the option to replace acs
Assetto Corsa is almost 15 years old, but with CSP 0.2.3 and Pure (the new lighting mod), it visually rivals Forza Motorsport 2023 . The "v1163" error is simply a guardrail created by modders to stop users from trying to load a 2024 physics model onto a 2014 game engine without the proper translation layer.
If you cleared the obsolete error but your game crashes with a screen when loading a track, a mod component is broken. After Install Car Mod :: Assetto Corsa Discussões gerais
When a modder creates a car, they pack it using a specific version of the Kunos editor or a third-party tool (like CSP's extended physics). If the modder packed the car using the "v1163" signature, your game report to Windows that it is running exactly that version. If a mod accidentally overwrote your core acs
This method directly addresses the root cause of the error by making the changelog.txt file say what CSP wants to see. It involves a quick one-line edit.
Reinstall the game if verification fails