I had the same problem (registration, submission) and I solved disabling reCAPTCHA (http://stackoverflow.com/questions/19055472/recaptcha-could-not-open-socket )
Hi,
Q2A Version 1.6.2
File: recaptchalib.php Line : 40
I came into same issue, and i use this
Remplace :
define("RECAPTCHA_VERIFY_SERVER",("www.google.com");
by:
define("RECAPTCHA_VERIFY_SERVER", gethostbyname("www.google.com"));
Works for me.
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