HP C4381-90100 用户手册

下载
页码 184
14-1
C
h
a
p
te
r 1
4
:  
N
o
rt
o
n
 
A
n
tiV
ir
u
s
Chapter 14:
Norton AntiVirus
This chapter explains how to use Norton AntiVirus to protect your 
computer from viruses. In general, Norton AntiVirus operation is the 
same for Windows 95, Windows NT 3.51, and Windows NT 4.0. 
Wherever there are differences, they are specifically noted.
About Norton AntiVirus
Norton AntiVirus is the most sophisticated and powerful product 
available to defend your computer from virus infection. Its automatic 
protection features continually and vigilantly safeguard your computer 
while you work. If a virus is ever found, Norton AntiVirus guides you 
through the process of eliminating it.
The Norton AntiVirus preset options balance efficiency with maximum 
protection; you do not need to change anything. Install Norton 
AntiVirus and you are immediately protected from computer viruses.
What is a virus?
A computer virus is, simply, a computer program written by an ill-
intentioned programmer. Your computer can catch a virus from disks, a 
local network or the Internet. Just as a cold virus attaches itself to a 
human host, a computer virus attaches itself to a program… and just like 
a cold, it’s contagious! 
Viruses take control of your computer without your knowledge. Often, 
they remain inactive until a predetermined trigger date (for example, 
Friday the 13th) to wreak havoc. They can cause your computer to 
behave strangely, for example, beep or display annoying messages, as