Do you have any ideas?
to change language in capchta edit rcguard.jsand replacevar RecaptchaOptions = { theme : 'white'};with var RecaptchaOptions = { theme : 'white', lang : 'de'};de for German see here for more optionsreCAPTCHA API Documentation
var RecaptchaOptions = { theme : 'white', lang : 'ru'};
var RecaptchaOptions = { theme : 'white', lang : 'de'};