meray pc main aik virus hay.jab main koi b software install karnay ki koshesh karta ho khaas tor par jab antivirus install karta ho to installation hoti he nae bul k installer screen ghaib ho jaati hay.koi bata skta hay k aisa konsay virus ki waja hoto hay aur konsa antivirus kargar hay is k liyay.agar isko remove karnay ka koi aur tariak hay to wo b bata dain.i need answers of all my questions