Please check that option "Do not display detected videos in the list" is turned on at the extension Settings - User Interface - All videos section.
Either please try to clean your browser's cache or try to reset the extension at the menu Settings - Reset - WIPE OUT AND RESET.
This will delete any data in the extension storage, and reload the extension.
If you still encounter the issues after this operations please contact with details to our support here: https://www.ant.com/support_form