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Symantec Live Update is an application that downloads security updates and patches for spyware, firewall or antivirus signature files. This does not mean that you can update the whole software to a newer version; example: Update Norton Antivirus 2006 to 2009 or later versions.

Live Update allows an installed Symantec product to connect to the Symantec servers where the database can be checked for updates; this lists definitions, URL lists and others. The updates are automatically detected, downloaded and installed.

There are two modes for Symantec Live Update, the Interactive Mode and the Express Mode. Interactive mode gives the user the option to select which updates they wish to download and apply to their computer. The express mode automatically detects the updates and applies them on your PC or laptop. The express mode also runs quietly in the background, without interrupting your computer use. Once the process ends, and the updates are installed, Norton’s pop up will appear asking the user to restart their computer. The restart can be done manually or through Live Update.

For more information please visit the Symantec website.