HoMM3 HD is a mod (add-on) for the game Heroes of Might and Magic 3.

What a pain. I'm tired of looking for a solution to the problem: could not find the "sfx" resource "H3x2NBA". What should I do? I can't play videos in the campaigns. Win7 + HoMM3 Complete Collection + HD 3.10 beta

Maybe someone could upload heroes3.snd and video.vid from the complete version of Heroes 3 to a file-sharing service.