I just had the same problem, I'm using Acrobat X Pro. I found this post and how the form is supposed to look so when I had typed in my password in the "Password:" box, I pressed Tab and the cursor dissapeared, I then re-typed my password assuming that it had gone to the "Confirm Password:" box that is not visible and then pressed Finish. This worked for me and I was able to create a digital ID. Might work for you too. Good luck.
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