Allow the installer to complete; this can take 15 to 45 minutes depending on your SSD speed. Re-enable your antivirus software. Add the game folder to your antivirus exclusion list.
This occurs if your DirectX runtimes are outdated or corrupted. Download and install the DirectX End-User Runtime Web Installer directly from Microsoft's official website. Save Games Not Saving metro exodus enhanced edition v30726gog install
But it was the flashlight that did it.