Download and run the DirectX End-User Runtime Web Installer from Microsoft . This will scan your system for missing libraries and restore them. 3. Run System File Checker (SFC)
The dcomp.dll missing error on Windows 7 is a unique issue because this specific file was not originally designed for that operating system. It is part of the , which was first introduced with Windows 8 to handle high-performance graphics and GPU-accelerated transitions.