Assetto Corsa Is Obsolete V1163 Is Required Fix Hot May 2026

After verifying, Steam will restore acs.exe to v1.163. Now you must tell Content Manager to stop changing it:

If you're using Steam, follow these steps:

For non-Steam versions, you'll need to check the game's official website for patches or updates.

While v1.16.3 is the final official version, ensure Steam never "rolls back" your game.

If the three steps above fail, your Assetto Corsa installation may be so fragmented that the version registry is missing.

Step A: Clean the Registry

Step B: The Manual assetto_corsa.ini Edit

Step C: The "Hot Laps" Workaround If you just want to drive the car and don't care about Career mode:

Once you complete these steps, your game will report the correct version, and you can join any server requiring v1.163.

When the error message " Assetto Corsa is obsolete (v1.16.3 is required) " appears, it typically occurs because Content Manager Custom Shaders Patch (CSP)

fails to recognize a minor update from Steam (such as version 1.16.4). The Direct Fix assetto corsa is obsolete v1163 is required fix hot

The most effective solution is to trick the software by manually editing the game's version identification file:

Navigate to your Assetto Corsa root installation folder (usually found in SteamLibrary\steamapps\common\assettocorsa Locate the file named changelog.txt

Open it with Notepad and find the very first line, which likely says Change that number to and save the file.

Restart Content Manager; the error message should now be gone. Alternative Solutions

If the text edit does not resolve the issue, consider these steps: Verify Integrity Steam Client After verifying, Steam will restore acs

to right-click Assetto Corsa > Properties > Installed Files > Verify integrity of game files . This ensures no core files are corrupted. Update CSP

: Ensure you are using a stable or recommended version of the Custom Shaders Patch

. Some preview versions are specifically built to ignore these version mismatches. Check Folder Names

: Ensure your Assetto Corsa root folder does not contain non-Western characters, as this can confuse Content Manager's version detection. Ignore the Message

: In many cases, this is a visual bug. If the game still launches and mods work correctly, you can safely ignore the "obsolete" warning. update your Custom Shaders Patch For non-Steam versions, you'll need to check the

to a specific preview version to prevent this in the future?