Reinstall DirectX from the _Redist folder in your install directory. Or copy xinput1_3.dll from a working game to the MKKE Win32 folder.

in March 2020, making digital copies difficult to obtain through official channels [1.11]. The Source (FLT):

Mortal Kombat Komplete Edition is a complete version of Mortal Kombat (2011), which includes all the characters, stages, and content that was previously available as downloadable content (DLC). This edition was released in February 2012 and features: