Works fine if you have developer tools enabled (advanced tab) and open java-script console window. End up with a multi-colored block (orange, green, and black for me) with the link in the middle.
That's not what it is supposed to end up with. It's supposed to end up with a big Windows logo on a black background, with a message below that, and the link at the bottom.
Here is a screenshot showing what it looks like in Chrome on the left and Safari on the right: https://imgur.com/gpSMx44
Firefox 62.0b9 is similar to Safari, except the blocks are all black instead of colored, and the relative dimensions are different.
Yes, thank you I love getting to the bottom of things. I tried disabling mine though and it still works. I think that's it for me though right now- could be a number of different things but I'm working on something else at the moment heh.
