Keeping Kaspersky Internet Security 2010 (KIS 2010) updated is a prerequisite for reliably protecting your computer. If you can't update kaspersky sometimes, you will change the update source of your KIS 2010 by manually. In order to change your Update Source of KIS 2010 ( or Kaspersky Antivirus 2010). Perform the following steps: Step 1. Run Kaspersky Internet Security 2010. If the application was not launched and in the right bottom corner there is no the K icon, then simply press Start -> All Programs -> Kaspersky Internet Security 2010 -> Kaspersky Internet Security 2010. http://www.securitysofts.com/images/newspic/run-kaspersky-internet-security-2010.jpg Step 2. You will see Kaspersky Internet Security 2010 main window. Click the "Settings" link in the right upper part of the window. Select the "My Update Center" section in the left part of the window. Click the "Settings" button in the "Update source" section. In the window "Update settings" click the "Add" link. Then type "http://dnl-01.geo.kaspersky.com" (dnl-01 can be instead of dnl-02, dnl-03... dnl-19) to the textbox of "Source". Click the "OK" button in the window "Select update source".http://www.securitysofts.com/images/newspic/KIS-2010-Update-Source-Setting-1.jpg Step 3. Unselected the Kaspersky Lab's update servers. Click the "OK" button in the windows. http://www.securitysofts.com/images/newspic/KIS-2010-Update-Source-Setting-2.jpg Now you can update your Kaspersky Internet Security 2010 from the new update source. This Howto article is powered by Security Software & Internet Security 2010. See the source of this article here: Setting Update Source of KIS 2010