Need help bypassing Mcafee pin lock after factory reset

I bought this used phone. An LG G VISTA .

After factory reseting it it now has a Mcafee Reset protection fu@kin password thing that pops up saying i need a 6 # pin to unlock! I cant enter my email cause MY EMAIL wasnt registered with it so Mcafee also will not help and cant get ahold of previous owner. SOMEBODY PLEASE HELP