UPDATE jos_extensions SET params = '{\"show_contact_category\":\"hide\",\"show_contact_list\":\"0\",\"presentation_style\":\"sliders\",\"show_name\":\"1\",\"show_position\":\"1\",\"show_email\":\"0\",\"show_street_address\":\"1\",\"show_suburb\":\"1\",\"show_state\":\"1\",\"show_postcode\":\"1\",\"show_country\":\"1\",\"show_telephone\":\"1\",\"show_mobile\":\"1\",\"show_fax\":\"1\",\"show_webpage\":\"1\",\"show_misc\":\"1\",\"show_image\":\"1\",\"image\":\"\",\"allow_vcard\":\"0\",\"show_articles\":\"0\",\"show_profile\":\"0\",\"show_links\":\"0\",\"linka_name\":\"\",\"linkb_name\":\"\",\"linkc_name\":\"\",\"linkd_name\":\"\",\"linke_name\":\"\",\"contact_icons\":\"0\",\"icon_address\":\"\",\"icon_email\":\"\",\"icon_telephone\":\"\",\"icon_mobile\":\"\",\"icon_fax\":\"\",\"icon_misc\":\"\",\"show_headings\":\"1\",\"show_position_headings\":\"1\",\"show_email_headings\":\"0\",\"show_telephone_headings\":\"1\",\"show_mobile_headings\":\"0\",\"show_fax_headings\":\"0\",\"allow_vcard_headings\":\"0\",\"show_suburb_headings\":\"1\",\"show_state_headings\":\"1\",\"show_country_headings\":\"1\",\"show_email_form\":\"0\",\"show_email_copy\":\"1\",\"banned_email\":\"\",\"banned_subject\":\"\",\"banned_text\":\"\",\"validate_session\":\"1\",\"custom_reply\":\"0\",\"redirect\":\"\",\"show_category_crumb\":\"0\",\"metakey\":\"\",\"metadesc\":\"\",\"robots\":\"\",\"author\":\"\",\"rights\":\"\",\"xreference\":\"\"}' WHERE name = 'com_contact' AND type = 'component';
UPDATE jos_extensions SET params = '{\"allowUserRegistration\":\"0\",\"new_usertype\":\"2\",\"useractivation\":\"1\",\"frontend_userparams\":\"1\",\"mailSubjectPrefix\":\"\",\"mailBodySuffix\":\"\"}' WHERE name = 'com_users' AND type = 'component';
ganti jos_extensions dengan nama table extensions user.