Don’t forget to save any pending work (if you have any), and then open the View Cookies dialog using any of the options given below:
Right-click the page and select the View Page Info > Security > "View Cookies"
more info :-
http://www.24x7livesolution.com/malwarebytes-customer-service.html
http://www.24x7livesolution.com/blog/malware-bytes-activation-key-is-not-working-call-1-888-272-6111-toll-free/