It's been a week and I can't get this update I get this error instead: I don't know wether it's for Anti Virus or for the firewall Downloading Symantec Intrusion Detection Signatures (1 of 1), complete. Installing Symantec Intrusion Detection Signatures (1 of 1), failed. A program that was part of this update failed when it ran. This update was not applied. LiveUpdate downloaded all of the updates you requested, but all of them failed to install. Please try to get the updates at a later time. LiveUpdate session is complete.