Booting up Dark and Darker and getting the build incorrect version error can be very frustrating, especially if all you’re looking to do that evening is be mercilessly killed in dark corridors. Here is how you can quickly fix it and get back in the game. How to fix the build incorrect version problem Ironmace has addressed the issue of people receiving the build version incorrect error in Dark and Darker and is working on a fix. However, it is possible to fix it yourself using one of the methods listed below. All of these have been tried and tested by various players. Image: Steam Validate your files Validating files on Steam will make the program run through all the necessary files for Dark and Darker and ensure you’re running the correct version without errors. The steps to doing this are simple. Open Steam and navigate to your Library. Find Dark and Darker in the list on the left. Right-click and select Properties. Click on Installed Files. ...