|Seems others have this issue. It turned out ot be some oddity of authentication. |
I don't like the cure here but it gives you ideas. http://forums.support.roxio.com/top...
Looks like when they created a new admin account it fixed some program.
I might be tempted to to a clean install, make all standard user accounts. Open each user account.. Do a complete shutdown and reboot to an admin user. Try the installation program then. Then do updates.
Google is evil