Problem with gaming

Hi, i have NORTON 360 for gamers almost 9 months now on windows 10. I play PUBG battle royal game for a long time and noticed that in a last few months a lose games performance all the time. Lagging and crashing, game unable to start because some Norton file is obstructing some file  in a game folder. A week ago i deleted Norton 360 from my PC and noticed immediate improvement in gaming. So my question is how is NORTON 360 FOR GAMERS worst for games even is advertize "FOR GAMERS". Anyone else notived a same thing. What should i do. Delete Norton from all of my devices??? I have 3