If editing the text file feels wrong, you can force Steam to ensure you have the correct version. Open and go to your Library . Right-click on Assetto Corsa and select Properties .
If the error appeared immediately after installing a new version of CSP, the version you installed might be buggy, or the installation failed. Go to .
Alternative Manual Fix: If Content Manager remains frozen, download the latest CSP .zip archive manually from the official GitHub or Patreon distributions. Open your Assetto Corsa directory and delete the existing dwrite.dll file to wipe out the old CSP entirely, then drag and drop the new patch files into your root folder. Fix 3: Run the Official Steam Launcher First
Why? Because v1.1.63 allowed asymmetric tire heating , dynamic brake duct simulation , and chassis flex on open-top cars —features later versions neutered for console compatibility. Today, if a mod has .dds textures with the metadata Pirelli_2015 or uses the encrypted tyres_v1163.ini , your modern v1.16.4 Assetto Corsa will scream assetto corsa is obsolete v1163 is required fix
Many users select "Skip version check" in CM settings. While it bypasses the pop-up, it often leads to "Race cancelled" errors or invisible car glitches.
You might be asking, "Why do I have to downgrade? I want the latest version."
Once the fix is applied, drive the mod car at Nordschleife. Watch your tire temps. On a modern version, the outer edge heats uniformly. On , you’ll see: If editing the text file feels wrong, you
If the issue persists, click and install a fresh version cleanly. Summary Checklist Potential Fix 1 Steam Verification Restores missing executables 2 Fixes compatibility bugs 3 Clear Cache Removes corrupted version data 4 Admin Rights Bypasses Windows file locks 5 Path Check Corrects moved game files If you want to troubleshoot this further, let me know: Did you recently move the game to a new drive? Are you using a pirated or legitimate Steam copy? What CSP version do you currently have installed?
The error is rarely because your game is actually older than 1.16.3. Usually, it is the exact opposite.
First and foremost, ensure that your Assetto Corsa is updated to the latest version. The requirement for version 1.16.3 suggests that your current version might be outdated. If the error appeared immediately after installing a
Some users fix this by simply reinstalling or updating CSP within the Content Manager settings under Settings > Custom Shaders Patch > About & Updates .
Wait for the process to hit 100%. Steam will re-download any missing data. 2. Update Content Manager to the Latest Build
If you recently moved your Steam libraries to a new solid-state drive (SSD), Content Manager might still be checking an old, un-updated path directory that contains orphaned configuration logs. 🚀 Still Having Issues? Try These Maintenance Steps
If you have done all of the above and still see "v1163 is required," you are likely dealing with a . Yes—sometimes the server is wrong, not you.