Does anybody know if Norton internet security and/or Norton Antivirus
has technical support and where, or does anybody know how to install
it?
I bought Norton internet security being told that it contains Norton
Antivirus and other programs, and not only did it fail to install, 
but made it difficult and erratic to access the internet. The internet
sometimes is accessible and somrtimes not, and I cannot tell what I
did right or wrong when it fails or does not fail to instal.
Also does anybody know if the vendor, Software Nevada in Las Vegas,
advertised by Google on the left side under"sponsored links" A
legitimate software dealer?

You could see visit the URL
http://www.symantec.com/techsupp/support_options.html to get the
support

I found out what went wrong. the cdrom installed internet explorer 6
first and then stopped. On a second attempt installation succeeded

The only technical support
http://www.symantec.com/techsupp/support_options.html offers is for $
30.00 and I doubt if it will be of any help.