reCAPTCHA problem 'Please complete the anti-spam verification'

Question

when i activate the recaptcha

i put the key and everything

i go to ask a question or register

i press the button "im not a robot"

and try to do the verification

and after im done it keep asking me

Please complete the anti-spam verification'

any ideas?

Comments

i had the same problem in the past  and the issue it's from the  hosting company  

Tray  to  expose the problem to it  to activate the recaptcha

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i didnt understand what to do ?

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Is this on the live site? It may not work on a localhost test site.
Do you have any errors in your logs?