The hilton site for profile updates has been up and down both yesterday and today, so don't give up, it's not at your end.

As to feeling guilty, they just ran two 50,000 point promotions for nothing more then four stays that would have usually been less then 750 points each. They certainly can afford to give out a couple thousand. It's actually funny, when I went in I saw things that needed updating (credit card exp dates for example), so this may actually save them time and money.