User guide

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Important: Under normal circumstances, when updates are downloaded properly the message Update is not
necessary – Virus signature database is up to date will appear in the Update window. If this is not the case, the
program is out of date and more vulnerable to infection. Please update the virus signature database as soon as
possible. Otherwise, one of the following messages will be displayed:
Virus signature database is out of date – This error will appear after several unsuccessful attempts to update the virus
signature database. We recommend that you check the update settings. The most common reason for this error is
incorrectly entered authentication data or incorrectly configured connection settings.
The previous notification is related to the following two Virus signature database update failed messages about
unsuccessful updates:
1. Invalid Username and/or Password – The username and password have been incorrectly entered in update setup.
We recommend that you check your authentication data. The Advanced setup window (click Setup from the main
menu and then click Enter advanced setup..., or press F5 on your keyboard) contains additional update options.
Click Update > Update in the Advanced setup tree to enter a new username and password.
2. An error occurred while downloading update files – A possible cause of the error is incorrect Internet connection
settings. We recommend that you check your Internet connectivity (by opening any website in your web browser). If
the website does not open, it is likely that an Internet connection is not established or there are connectivity
problems with your computer. Please check with your Internet Service Provider (ISP) if you do not have an active
Internet connection.