Greetings agentfisheruk!
Thank you for your report and welcome to our forums!
Please follow the steps to verify your game files:
- Open Steam
- In Library, click with the right button on the game and select “Properties”
- Select the Installed Files
- Select Verify integrity of game files….
If the issue still persists, please log out from your Steam account and reinstall Conan Exiles.
We’ll be waiting for your reply!