Yes norton is difficult to install!
Go to
http://www.netsquirel.com or
http://www.savemybutt.com for detailed instructions.
I am using avast, because their was a message in avg that version 7.5 which
is speech friendly would not be supported after June 21, 2008. This
afternoon I was working on a machine and heard avg 7.5 free updating it's
self, so who knows.