So following your suggestion @Sofy, It didn't work, so I tried disabling all plugins and it started working, I slowly activated each plugin one after ...

Made a screenshot of what you asked. I just wish for people to be able to register at this point, it would be better for the reCAPTCHA feature to work...

Edit 3: if I remove all recaptcha keys from the website and disable recaptcha in the tool settings, it still says "ERROR: please check the box to prov...