What is your operating system, service pack (if applicable) and browser/version?
Is your system totally up to date plus all the browser add-ons such as Java and Flash etc?
McAfee relies on an up-to-date Internet Explorer set to its default settings to function correctly.
It need not be your default browser.
Customer Servioce for Holland is here: http://service.mcafee.com/CustomerService.aspx?lc=1043&sg=CS&pt=1
Technical Support: http://service.mcafee.com/TechSupportHome.aspx?lc=1043&sg=TS