Your installation of Assetto Corsa is running an older version.
: Save the file and restart Content Manager . 🕒 Alternative Troubleshooting If the text edit doesn't work, try these steps in order:
Navigate to your main Assetto Corsa installation folder. (Usually: C:\Program Files (x86)\Steam\steamapps\common\assettocorsa ). Locate the file named changelog.txt . Open changelog.txt with Notepad or any text editor. At the very top, you will likely see 1.16.4 or higher. Change that number to 1.16.3 . Save the file and close it. Restart Content Manager and launch the game. 2. Update or Reinstall Custom Shaders Patch (CSP) assetto corsa is obsolete v1.16.3 is required fix
If your game is actually up to date (v1.16.4) but Content Manager is complaining, you can manually trick the software by editing a simple text file.
Does this happen on or just one specific server? What CSP version do you currently have installed? Share public link Your installation of Assetto Corsa is running an
Follow these verified community solutions ranging from quickest to most comprehensive. Fix 1: Manually Update the Changelog Text File
: In Steam, right-click Assetto Corsa > Properties > Installed Files > Verify integrity of game files . This ensures your base game is actually up to date. At the very top, you will likely see 1
Wait for Steam to scan and download any missing v1.16.3 files. Step 2: Check for Accidental Beta Opt-ins
Despite these changes, version 1.16.3 is widely regarded as the most stable and enjoyable version of Assetto Corsa. Many players have reported that this version provides the best balance between performance, stability, and gameplay. However, the game's current version, 1.17.1, has introduced new issues, making version 1.16.3 the go-to version for many players.