I think i do the same my friend . . . i cant find any solution with sclive 4 and Vdj . . . from the official support of denon says ok we see on the next update ! i thin i will back on my pioneer.
Am having the same issues with serato pro i have virtual dj pro for almost two years and vdj working fine i just need to stop paying for cdj and use my free serato pro that comes with deanon live 4 sc