reCaptcha doesn't work

Hi,  I have an ASP classic page which I implement reCaptcha and everytime even I check I'm not a robot, it will bring me back to my page with * If you are not a robot please check the box. error. Any suggestion? -- You received this message because you are subscribed to the Google Groups "reCAPTCHA" group. To unsubscribe from this group and stop receiving emails from it, send an email to recaptcha+unsubscribe@googlegroups.com. To post to this group, send email to recaptcha@googlegroups.com. Visit this group at http://bit.ly/1dkFnYd. For more options, visit http://bit.ly/P65DvS.