Resoloution Problems

Ive used this program numerous times, both on mac and pc/laptop, and not once have I had this issue till I downloaded from the app store now.
I have tried fixing the problem from the “config” tab on Virtual Dj but nothing helps. Virtual Dj 8 is good but I find VDJ 7 easier to use (for some reason).
Please look into the problem :) Thanks!

_R3dBu11_ about VirtualDJ Home, v7.0.5