not able to download youtube videos anymore video or music

i dont understand why but i am not able to download videos or audio from youtube anymore. ive uninstalled and reinstalled and no change. here is the last link for the video i was trying to download. https://www.youtube.com/watch?v=gRiFJxZWn5Q&t=8s . I wanted to say thank you for your product as well. I use it everyday in getting skateboarding videos to gif for my blog your product is the best out there.