EDIT: This extension works as expected and successfuly downloads streams from various sites. No bloatware/adware in native application. I recommend it. Request: please don't open a tab each time an update is installed.
Please note that Ant Video Downloader doesn't modify any preferences for your browser's tabs. Mentioned website is not related to Ant Video Downloader. Please contact with details about your problem to our support here: https://www.ant.com/support_form
