If you are using a non-Steam ("cracked") version of the game, this error is extremely common because those versions are often stuck on older builds (like v1.16.1 or v1.16.2) that do not support modern mods. There is no official "patch link" for these versions; the only reliable fix is to use the Steam version
: This is the most common community fix.
Sometimes, the issue is not with AC, but with an outdated version of Content Manager itself. Open . Go to Settings -> About -> Check for Updates . Install any available updates for Content Manager. 4. Reinstall Custom Shaders Patch assetto corsa is obsolete v1163 is required link
Replace your older launcher executable file with the newly downloaded version.
Users attempting to connect to multiplayer servers or use specific mods in Assetto Corsa (AC) may encounter errors stating that the current installation is "obsolete" or that "v1163 is required." This paper outlines the cause of this discrepancy, the importance of build 1.16.3, and the steps required to resolve the issue. If you are using a non-Steam ("cracked") version
First, let's break down the message piece by piece. When Content Manager (CM) declares that Assetto Corsa is "obsolete," it can be deeply misleading. The core racing simulator itself is not broken or outdated; rather, CM is reporting that it has detected a file version that doesn't match what it expects.
In Steam, right-click -> Properties -> Installed Files -> Verify integrity of game files . the importance of build 1.16.3
If a file required by CSP is blocked, the patch will not function correctly.
Here are the steps to fix the issue, ordered from simplest and safest to most involved:
For the vast majority of users, especially those who first encounter this error after a standard Steam update, one of these simple five-minute fixes will resolve the issue immediately. These are non-destructive and require no reinstalls.