Searching Google he problem seems to be with Norton.
The work around for now is to go into IE/Tools/Internet Options/Advanced and un-check (Check for publisher's certificate revocation).
You can also go into Norton and un-check the Office Plugin.
Fujitsu Lifebook P727 laptop review
Microsoft Paint set to die after 32 years
Mac power user tips and hidden tricks
Comment désactiver la saisie intuitive et paramétrer votre clavier ?