- 백신 스파이 방화벽 보안 - 윈도우 디펜더 외에 추천부탁드려요

ㅇ 윈도우디펜더 하나만 설치해놓고 있었는데  언젠가부터 작동불가입니다. 

   부팅을 보안부팅인가 뭘로 변경해야 디펜더가 작동? 설치된다고 하더라구요

   좀 어려워서 포기했는데  어떤 백신종류를 설치하든 필수적일까요 ????

 목록이 많은데  ;;   한, 두개 추천하신다면 어떤걸 추천하시나요 ?????

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