Hey , on ps4 i am at stage 3 g virus fight , i have only handgun weapons and grenade launcher weapon (3 greennade launcher weapon ammo) , no matter how many times i try i never am able to finish this fight . Please tell me how i can finish this fight with the few weapons i have. I have looked at YouTube videos on how to defeat g virus stage 3 , but i am never able to win the fight. Please help me