Error, Activate Captcha Support

I just downloaded the software, and wanted to set up Captcha Support. When I click on the "Activate Captcha Support" button in my news and updates, it doesn't direct anywhere.
http://www.sweepstakesninjaforums.com/
http://www.sweepstakesninjaforums.com/viewtopic.php?f=6&t=1136