Try to unchek Not use proxy under kav admin kit Update Settings
Or,check from local server if you could ping www.kaspersky-labs.com,review ur firewall config.
from firewall add to trusted site "http://195.222.17.41"
QUOTE(MasterShion @ 7.07.2009 01:23)

I dont have proxy, update was working until today, I dont know why, I've tried this
http://support.kaspersky.com/ak6mp1/error?qid=208279782, but nothing.