Thanks for your answer.
This is exactly where I run into the problem described.
When I click on the link "Find out more" in "Get updates for other Microsoft products" , I get the
"Try Microsoft Update today" screen. I click on "Start Now", then "Continue" on the "Review the license agreement.
Then the "Checking whether you have the...." screen disappears to be replaced by: "The website has encountered a problem and cannot display the page you are trying to view." None of the suggested self-help options lead to anything useful for the problem.