That exactly what I did do, Tony. Getting the updates first, I mean. I think it may have been because I was trying to install Norton 2003. Maybe if I had put an earlier version on at first, then updated it later, it would have been OK. Literally, I must have only been online a few minutes, before the Welchia thing struck. Maybe having a static IP doesn't help in these situations? Anyway, the problem is now solved, as I have the Blaster / Welchia patch on a Floppy Disc, so with this latest build, I installed it before going online, and everything was OK. It does show, however, how quickly this thing can infect a PC. I wonder how many people have it without even realising?