download http://www.processblocker.com

content advisor has beed discontinued by microsoft with internet explorer 10/11

so you can no longer block just the internet using a password

only by using the BLOCK WINDOWS option in nova

in order to block only the internet you can download www.processblocker.com

and install the app, then configure it to block iexplore.exe firefox.exe chrome.exe

DO NOT LOOSE THIS PASSWORD

or you will have to restore the system to regain access to the internet