A prove up hearing is essentially a trial where you prove your side of the case in the absence of the other party. 600.8823 Failure of defendant to appear at scheduled appearance, informal hearing, or formal hearing; failure of officer to appear at informal hearing.A default judgment means that you lose because you did not show up. I filed a motion to set aside the default. The hearing for the default was last Friday and the judge had my motion before him. Fill out the Motion form. If you're in the middle of a divorce, you probably should be bringing your own lawyer as well. That way, you would know what's going on the default proof up. My motion to set aside a default judgement was denied. What are my options. Michigan.