on the network computers we share this folder to update only one and rest updates from here, x:\Documents and Settings\All Users\Application Data\Kaspersky Lab\AVP6\Bases
Dont yet know for the 7, but shold be like this also..
abd copy that folder to share that in any other system, and to update follow this KAV tutorials.
*support.kaspersky.com/images/support_new/wks_settingupdlocal(en).gif