You may experience missing textures, screen flickering, artifacting, or completely black screens because your hardware physically lacks the architecture to render certain visual effects.
While gamers frequently refer to it as an "emulator", it is actually a developer tool designed to force games to run using software-based rendering instead of relying entirely on your physical GPU. Why Do Gamers Use DXCPL?
Even if the file is not malware, running a DirectX Control Panel wrapper incorrectly can corrupt your video drivers or alter registry settings, leading to crashes in other games or a "black screen" on reboot.
Force a game to run a particular version of DirectX / Direct3D