There is a decent discussion on what God may or may not be like in the S&R forum.
Define God
Okay, shameless self promotion; so what?
I would think proving a negative might create difficulties for the one advancing the proposition.
Of course, the one attempting to prove the existence of God must first establish standards of truth - acceptable proof.
This is why Wilso's fools errand
Don't tell me there's any proof for creationism. is such a hoot.
Have fun.