Updating databases and application software modules

Updating the databases and application modules of Kaspersky Endpoint Security ensures up-to-date protection on your computer. New viruses and other types of malware appear worldwide on a daily basis. Kaspersky Endpoint Security databases contain information about threats and ways of neutralizing them. To detect threats quickly, you are urged to regularly update the databases and application modules.

Regular updates require a license in effect. If there is no current license, you will be able to perform an update only once.

The main update source for Kaspersky Endpoint Security is Kaspersky update servers.

Your computer must be connected to the Internet to successfully download the update package from Kaspersky update servers. By default, the Internet connection settings are determined automatically. If you use a proxy server, you need to adjust the connection settings.

Updates are downloaded over the HTTPS protocol. They may also be downloaded over the HTTP protocol when it is impossible to download updates over the HTTPS protocol.

While performing an update, the following objects are downloaded and installed on your computer:

Kaspersky Endpoint Security databases. Computer protection is provided using databases that contain signatures of viruses and other threats and information on ways to neutralize them. Protection components use this information when searching for and neutralizing infected files on your computer. The databases are constantly updated with records of new threats and methods for counteracting them. Therefore, we recommend that you update the databases regularly.
In addition to the Kaspersky Endpoint Security databases, the network drivers that enable the application's components to intercept network traffic are updated.
Application modules. In addition to the databases of Kaspersky Endpoint Security, you can also update the application modules. Updating the application modules fixes vulnerabilities in Kaspersky Endpoint Security, adds new functions, or enhances existing functions.

While updating, the application modules and databases on your computer are compared against the up-to-date version at the update source. If your current databases and application modules differ from their respective up-to-date versions, the missing portion of the updates is installed on your computer.

Context help files can be updated together with application module updates.

If the databases are obsolete, the update package may be large, which may cause additional Internet traffic (up to several dozen MB).

Information about the current status of Kaspersky Endpoint Security databases is displayed in the Update section in the Tasks window.

Information on update results and on all events that occur during the performance of the update task is logged in the Kaspersky Endpoint Security report.

Application module and database update settings

Parameter	Description
Run mode	Automatically. In this mode, Kaspersky Endpoint Security checks the update source for availability of new update packages with a certain frequency. The frequency of checking for the update package increases during virus outbreaks and decreases when there are none. After detecting a fresh update package, Kaspersky Endpoint Security downloads it and installs updates on your computer. Manually. This update task run mode allows you to manually start the update task. Scheduled. In this update task run mode, Kaspersky Endpoint Security runs the update task in accordance with the schedule that you have specified. If this update task run mode is selected, you can also start the Kaspersky Endpoint Security update task manually.
Run skipped tasks	If the check box is selected, Kaspersky Endpoint Security starts the skipped update task as soon as this becomes possible. The update task can be skipped, for example, if the computer was turned off at the update task start time. If the check box is cleared, Kaspersky Endpoint Security does not start missed update tasks. Instead, it runs the next update task in accordance with the current schedule.
Update source	An update source is a resource that contains updates for databases and application modules of Kaspersky Endpoint Security. Update sources include the Kaspersky Security Center server, Kaspersky update servers, and network or local folders. The default list of update sources includes Kaspersky Security Center and Kaspersky update servers. You can add other update sources to the list. You can specify HTTP/FTP servers and shared folders as update sources. Kaspersky Endpoint Security does not support updates from HTTPS servers unless they are Kaspersky's update servers. If several resources are selected as update sources, Kaspersky Endpoint Security tries to connect to them one after another, starting from the top of the list, and performs the update task by retrieving the update package from the first available source.
Run task as	By default, the Kaspersky Endpoint Security update task is started on behalf of the user whose account you have used to log in to the operating system. However, Kaspersky Endpoint Security may be updated from an update source that the user cannot access due to a lack of required rights (for example, from a shared folder that contains an update package) or an update source for which proxy server authentication is not configured. In the Kaspersky Endpoint Security settings, you can specify a user that has such rights and start the Kaspersky Endpoint Security update task under that user account.
Download updates of application modules	This check box enables / disables downloads of application module updates along with anti-virus database updates. If the check box is selected, Kaspersky Endpoint Security notifies the user about available application module updates and includes application module updates in the update package while running the update task. The way application module updates are applied is determined by the following settings: Install critical and approved updates. If this option is selected, when application module updates are available Kaspersky Endpoint Security installs critical updates automatically and all other application module updates only after their installation is approved locally via the application interface or on the side of Kaspersky Security Center. Install only approved updates. If this option is selected, when application module updates are available Kaspersky Endpoint Security installs them only after their installation is approved locally via the application interface or on the side of Kaspersky Security Center. This option is selected by default. If the check box is cleared, Kaspersky Endpoint Security does not notify the user about available application module updates and does not include application module updates in the update package while running the update task. If application module updates require reviewing and accepting the terms of the End User License Agreement, the application installs updates after the terms of the End User License Agreement have been accepted. This check box is selected by default.
Copy updates to folder	If this check box is selected, Kaspersky Endpoint Security copies the update package to the shared folder specified under the check box. After that, other computers on your LAN are able to receive the update package from this shared folder. This reduces Internet traffic because the update package is downloaded only once. The following folder is specified by default: `C:\ProgramData\Kaspersky Lab\KES\Update distribution\`.
Proxy server for updates (available only in the Kaspersky Endpoint Security interface)	Proxy server settings for Internet access of users of client computers to update application modules and databases. For automatic configuration of a proxy server, Kaspersky Endpoint Security uses the WPAD protocol (Web Proxy Auto-Discovery Protocol). If the IP address of the proxy server cannot be determined by using this protocol, Kaspersky Endpoint Security uses the proxy server address that is specified in the Microsoft Internet Explorer browser settings.
Bypass proxy server for local addresses (available only in the Kaspersky Endpoint Security interface)	If the check box is selected, Kaspersky Endpoint Security does not use a proxy server when performing an update from a shared folder.

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