Master Boot Record - The first logical sector on a disk containing the partition table and master boot loader.

Network – A number of computers connected together to share information and hardware.

norton updating virus definitions-63

Phishing - The fraudulent process of attempting to obtain personal information such as usernames, passwords and credit card information by masquerading as someone else or some other company via a fake email, website or other electronic correspondence.

Polymorphic Virus - A virus that can change itself when it replicates to avoid detection.

Live Update can only apply updates for a particular version of Norton; it cannot however upgrade a version of Norton to a later version (for example Norton Internet Security 2006 to 2009).

To upgrade the product to the latest version, one would have to go to a separate website.

Port - An interface through which data are sent and received.

Quarantine – A way to isolate files that may contain a virus so that the files cannot be opened or executed.

To manually update virus definitions download and run the apropriate file (32-bit or 64-bit) and follow the instructions.

The Norton Virus Definitions 64-bit allows manual update of your Norton Ant Virus and Norton Security in case that you do not have internet connection or in case auto update fails.

Attachments - Files added to an outgoing email and downloaded with an incoming e-mail Blended Threat - Combines characteristics of viruses, worms, Trojan Horses, and other malicious code with server and Internet vulnerabilities to spread itself.