spin doesn't stops

Hi,
I have installed Contact Form 7 reCAPTCHA Extension and already have contact form 7 and wp-recaptcha activated…

But i have a problem, on submitting my form it keeps on spinning and other validation also doesn’t works..

I am using chrome Version 23.0.1271.97..
need help!!

thnks

https://www.ads-software.com/extend/plugins/contact-form-7-recaptcha-extension/