Your office computer?
Are you on a network? Has new firewall or virus protection software been added recently? Can you get to the links to each page from the bottom of the Hyperscale home page (these are normal hyperlinks) or is it just on the internal Hyperscale pages (these are Javascript buttons)?
If you can't see the buttons on the internal pages (right side menu), then your problem is with Javascript not running properly. This could be because of a configuration problem on the computer itself or something that the network administrator my have configured on the server.
Hope this helps.
Robert