Just picking up on your Comodo problem, I also had difficulting in registering, until I re-read the email that I received from them. The activations key was buried in the text of the message. Hope this helps.
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 ?