In the application web interface window, select the Settings section, Database update subsection.
In the Update source settings group, select the source from which you want to receive update packages:
Kaspersky Lab servers.
Manually.
If you selected a custom update source, in the field under Manually, specify the URL of the source from which the application will receive update packages.
You can also select the If inaccessible, use Kaspersky Lab servers check box if you want to receive update packages from Kaspersky Lab update servers whenever the custom update source is unavailable.