Symantec ™ Internet Security 2012 Manual descargar pdf (Pagina 51)

Updates are lighter and faster than Automatic

LiveUpdate. It keeps your computer secure from the

ongoing threats on the World Wide Web.

When Pulse Updates are enabled, LiveUpdate checks

for definition updates every few minutes and

downloads the streamed virus definitions. The Pulse

Updates protect your computer from the latest security

threats without compromising your system

performance. Even if you turn off Pulse Updates,

LiveUpdate picks all the missed streams and it updates

your computer during the full definition updates.

Each LiveUpdate session checks if the Smart

Definitions option is turned on or off, and downloads

and installs the updates based on the option settings.

To access the Smart Definitions option, go to the

Norton AntiVirus main window, and then click Settings

> Updates > Smart Definitions. By default, the Smart

Definitions option is turned on. As Smart Definitions

are only a subset of all the virus definitions, you can

minimize download time, installation time, and

memory consumption. However, if you want all of the

virus definitions to be downloaded and installed, you

can turn off the Smart Definitions option.

Checking for updates manually

LiveUpdate checks for updates to the product that is

installed on your computer.

These updates protect your computer from newly

discovered threats. LiveUpdate uses the Internet

connection to connect to the Symantec server, checks

for updates, and then downloads and installs them

automatically.

You should have the Automatic LiveUpdate option

turned on to ensure that you have the latest definition

updates and program updates. Definition updates

contain the information that allows the product to

recognize and alert you to the presence of a specific

virus or security threat. Symantec issues program

updates periodically, which are enhancements to the

51Getting started

About LiveUpdate

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Symantec ™ Internet Security 2012 Manual Pagina 51