Google Recaptcha is not showing on Chrome on ONE pc only

Dear Webmaster,I am using Google recpatcha for many website and it works perfectly. But recently I am facing a very strange issue with google recaptcha.On given link http://bit.ly/19vDPuS I logout and try to contact seller. Captcha works fine but after login when I try to contact seller again Captcha is not working properly. It's shoing only input box and captcha is not showing.snapshot is attached of what I am seeing on that page.Pls tell me how do I fix this,.Thanks,Amit -- 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.