Code execution cannot proceed because UnityPLayer.dll was not found

Before launching a demo of a game I am making, I got to test the build in several machines and everything worked perfectly.

However, on my friend's machine (a Windows 11, the same as mine) it does not even launch reporting the error in the title: "Code execution cannot proceed because UnityPLayer.dll was not found. Reinstalling the program may fix this probem". He had indeed reinstalled the program various times. Furthermore he has all the files in the same folder, the...

Code execution cannot proceed because UnityPLayer.dll was not found