I just installed NIS4 on my MacPro (1.1) running MacOS X 10.5.8. My machine sits on a LAN behind a corporate firewall and proxy server. LiveUpdate is at version 5.1.1f18. Each time I try to run LiveUpdate, after several minutes, I receive the following dialog: Updating error. There was an error performing the update. I've gone through the related messages, tried some of the suggestions, and still no success. My network settings are correct, as evidenced by the fact that I can access the web, ftp, etc. The logfile is attached. Btw; you will see evidence of an update, which I applied manually via a downloaded zip file from Symantec.
Paul