I'm trying to update my parents iMac (G3 400MHz, 30 GB HD, 192 MB RAM) from 10.3.5 to 10.3.6. But right after the update, there's a sign that shows a circle with a line through it. I did an archive install to 10.3.5 and everything is fine. Anyway, I'd still like to install 10.3.6. Any ideas?