I am running Kaspersky Internet Security 2014 comes with a much-loved feature ANTI-BANNERwhich thankfully blocks a good portion of advertising on various websites. In the case of SquareTrade.com, however, the site will NOT resolve whatsoever. All that the visitor will see is a single pixel in the center of the page with a gray background. Simply add "*.squaretrade.com" to your list of approved sites under the Anti-Banner settings and this issue is resolved.
Note that it's quite bizarre for the anti-banner feature to block an entire website, in my experience.