Hubpages.com register problem with creating account

I was trying to register the http://hubpages.com

Well it always told me "Please try typing the two distorted words again." . 
And it shows the website is trying to load as "working" turning circles .
You guys know why this is happening?

http://hubpages.com/user/new/

here is a photo screen shot of the problem:

If you know why this is happening, please tell me how to solve this problem, thank you!

hope this can be fixed.

bella

China east country in the world