i have the same problem . Using Version 2020.12.17.2315.
2020/12/18 14:46:38.285991 [TVE] Auth starting for Hulu as markoliver_nz@yahoo.com
2020/12/18 14:46:38.288134 [TVE] action=auth mvpd=Hulu requestor=nbcentertainment
2020/12/18 14:46:38.803636 [TVE] action=error_response type=Other error=net::ERR_UNKNOWN_URL_SCHEME
2020/12/18 14:46:38.806082 [TVE] action=navigate url=https://sp.auth.adobe.com/adobe-services/authenticate/saml?noflash=true&mso_id=Hulu&requestor_id=nbcentertainment&no_iframe=true&domain_name=adobe.com&redirect_url=https%3A%2F%2Fsp.auth.adobe.com%2Fadobe-services%2FcompletePassiveAuthentication
2020/12/18 14:46:38.807061 [TVE] action=request type=Document method=GET url=https://sp.auth.adobe.com/adobe-services/authenticate/saml
2020/12/18 14:46:39.673791 [TVE] action=request type=Document method=GET url=https://auth.hulu.com/oauth2/login
2020/12/18 14:46:39.673861 [TVE] action=auth_domain domain=.hulu.com
2020/12/18 14:46:41.192687 [TVE] action=wait_for_page
2020/12/18 14:46:46.751661 [TVE] action=page_ready
2020/12/18 14:46:46.753077 [TVE] action=wait_for_page done=true reason=page_ready
2020/12/18 14:46:46.753158 [TVE] action=fill_form u=markoliver_nz@yahoo.com
2020/12/18 14:46:46.763390 [TVE] action=tvecaptcha step=start
2020/12/18 14:46:46.763498 [TVE] action=wait_for_auth
2020/12/18 14:46:46.763570 [TVE] action=click_captcha x=170 y=472.8999938964844
2020/12/18 14:46:49.278922 [TVE] action=captcha_screenshot pos=0,0 size=800,600 bytes=277502
2020/12/18 14:46:49.279496 [TVE] action=captcha_check
2020/12/18 14:46:49.280784 [TVE] action=tvejs msg="recaptcha found=true width=400 y=11"
2020/12/18 14:47:49.353918 [TVE] action=auth_timed_out
2020/12/18 14:47:49.354044 [TVE] action=screenshot
2020/12/18 14:47:49.638360 [TVE] action=screenshot size=277502
2020/12/18 14:47:49.638915 [TVE] action=capture_html
2020/12/18 14:47:49.641551 [TVE] action=capture_html size=46476
2020/12/18 14:47:49.693238 [TVE] Auth failed for Hulu: Cable provider authentication failed