Assetto Corsa Is Obsolete V1163 Is Required Fix !new! Jun 2026
Assetto Corsa remains an outstanding sim, but only when maintained. Installations running older builds are effectively obsolete: incompatible with modern mods, blocked from online play, and missing critical fixes. Update now to preserve functionality and continue enjoying the sim’s thriving ecosystem.
The most common cause is a corrupted or missing acs.exe or AssettoCorsa.exe file. Steam can automatically scan and replace these files. Open your . Right-click on Assetto Corsa and select Properties . Go to the Installed Files tab. Click Verify integrity of game files .
Assetto Corsa was officially released in 2014, but its lifecycle has been dramatically extended by the community. The game itself went through various updates, eventually settling on the stable final version, .
Version 1163 includes patches for memory leaks, input latency issues, and exploit mitigations (e.g., custom LUA execution boundaries). Running previous versions introduces unnecessary risk and degraded performance.
If the mod still refuses, download the “acs1163_compat.dll” (search GitHub – look for user “@kunos_retro”). Place it in the mod’s extension folder. This DLL intercepts the version check and replies: “Yes, commander. This is a 2015-spec AC.” assetto corsa is obsolete v1163 is required fix
Right-click the folder and rename it to AC Tools Content Manager-old .
Note: This method works because CSP checks this file to confirm the version. 4. Reinstall or Roll Back Custom Shaders Patch
Kunos Simulazioni pushed subtle version modifications (e.g., v1.16.4) to adjust background frameworks, legal text, or minor features.
The error " Assetto Corsa is obsolete (v1.16.3 is required)" Assetto Corsa remains an outstanding sim, but only
Navigate to your Assetto Corsa folder (usually Steam\steamapps\common\assettocorsa ). Locate a file named . Open it with Notepad or any text editor. Look at the version number mentioned at the top or bottom.
If that doesn't work, re-install the latest version of Content Manager. 3. Reinstall the Game If verification fails, a clean install is required. Assetto Corsa via Steam. Delete the folder Steam\steamapps\common\assettocorsa . Reinstall the game from Steam.
To resolve the issue, Kunos Simulazioni and the game's publisher, Deep Silver, need to take several steps:
Sometimes the issue is the Content Manager itself being outdated rather than the game. Open Content Manager. Go to -> Content Manager -> General . Click "Check for updates" . The most common cause is a corrupted or missing acs
The most effective community-verified solution is to manually edit the game's version log to match what the software expects.
Without updating to , the following fixes cannot be applied or will not function correctly:
If you want, tell me: Steam or non‑Steam, and whether you use Content Manager or a specific multiplayer server, and I’ll give exact commands/paths.
The future of Assetto Corsa is uncertain. While the game remains popular, its obsolescence is becoming increasingly apparent. The requirement of version 1.16.3 to play online has created a significant barrier to entry for new players and has frustrated existing ones.