Symantec 10067161 Product Manual - Page 85

Monitoring your system's performance 85 About System Insight 4 In the Power Source window, select one of the following: 1 External Allows the Norton Task to run only when your computer uses external power. 1 External and Battery Allows the Norton Task to run irrespective if the computer uses external power or battery power. If you choose this option, Norton AntiVirus performs the Norton Task when the computer is idle. It does not consider the type of power source the computer uses. 5 Click OK. 6 In the Norton Tasks window, click Close. About Norton Insight Norton Insight allows the smart scanning of files on your computer. It improves the performance of Norton AntiVirus scans by letting you scan fewer files without compromising the security of your computer. A Norton AntiVirus scan can identify threats on your computer in the following ways: The Blacklist technique At regular intervals, Norton AntiVirus obtains definition updates from Symantec. These updates contain signatures of known threats. Each time when Norton AntiVirus obtains the definition updates, it performs a scan of all of the files that are available on your computer. It compares the signature of the files against the known threat signatures to identify threats on your computer.