It may be due to a CAPTCHA not appearing. Try this, hope it helps you.
If your "Transmit My Returns Now" button is not working, it may be due to a CAPTCHA not appearing, where one would need to checkmark "I am not a robot."
NOTE: Or are you using any script blockers/ad blockers? If so, perhaps that is blocking the CAPTCHA.
It may be due to a CAPTCHA not appearing. Try this, hope it helps you.
If your "Transmit My Returns Now" button is not working, it may be due to a CAPTCHA not appearing, where one would need to checkmark "I am not a robot."
NOTE: Or are you using any script blockers/ad blockers? If so, perhaps that is blocking the CAPTCHA.
If you are not able to see the reCaptcha image when transmitting your returns, please see the below TurboTax FAQ for troubleshooting steps: