Yeah, there was a note with the mailing of that that you might have a problem. It's some glitch at the company who does e-mailings, and it defies all logic. Happens to both PCs and Macs, and with every browser. But not to everybody. And some people have found that suddenly it will work.
I can't open it either.
Needless to say, they're working on it full-time. The wonderful world of electronic coding
ps--although it won't open on either of my computers, it opens just fine on both my iPad and iPhone.