I solved my issue with a work around that I can live with, but I still have questions about why my CS6 disk would not install originally.
Okay, I decided to create a new Admin User account and shut down AV. In the new Amin user account I loaded the CS6 disk, I was returned with a :you must restart" error. I did. Re-loaded CS6, I got the installer, I got the eula, I got the product key page, I finally got into the authorized product screen, then when trying to log in my log in stalled for 15 minutes. Just a gray screen with no other options but to shut the install down with Task Manager. I did, and waited for the program to end on it's own, and NOT selecting the End Now option. I started the process again, got the the sign in and I stalled again. The third time finally got me conected, and I was then able to instal CS6x64 on my New Admin User account.
Once finished, I checked the program, good. I then shut down and restarted, but logged onto my original Admin user account. CS6x64 is there and fully functional, and plug in Silver Efex Pro 2 was added no problem.
So I am pleased I got the install working and I can fully use the program as intended, I still have questions about the issues that would not allow me to install normally.
Install Error Not resolved, but worked around.