I wouldn't worry about a slow response getting up history as the server it comes from may simply be busy.
Thanks for the answer as that is what I was thinking.
You may find also when clicking on 'Help' to bring up your Features. On occasions it may take a while to load, or throw up an error. Simply close out of your McAfee User Interface, and try again and it should work
Just thought I would add that....
Good luck ;-)