I am getting the following error in IE 11:
SCRIPT5007: unable to get property \"toString\" of undefined or null reference recaptcha__iw.js (451, 41)
The answer of Ruthi works on IE, but not on Google Chrome (error at runtime), so, for a cross-browser solution, you need first to ensure that the browser can handle querySelector().setActive
So, put this javascript code before the recaptcha rendering:
if(document.querySelector('body').setActive != undefined)
{
document.querySelector('body').setActive();
}