有關svchost問題？？

cassis

個norton經常彈出對svchost的攔截, 部機是否已中木馬？
! q) l' t- V; {* p# V+ Otvb now,tvbnow,bttvbTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。) Y4 e7 g2 D% I# Q! B
why不能update norton？

goghost38

i probably think this subject is not a trojan because it come from mircosoft.
; i* ?) _6 }* X' ?* aTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。but trojan will always follow this svchost file into your system32 through inbound connection.finally,i use firewall to block this activities(svchost).

cassis

個norton成日都彈舊野出黎,問我允許/攔截呢個file
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而且不能live update, 請各位高手指教