Be aware, the software is not calling home, it is establishing an internet protocol for the library to function correctly which you are denying.  There is no exchange of information nor is it actually connecting to Content Paradise. As long as Adobe Flash from the installation disk is current and IE is current, you should have no problems.  It is your perogative to chose which SR you would like to stick with in P8, but you will miss out on some of the new very convenient features introduced with this update.