Hi, I have just started using 4K Video Downloader and every video or playlist I try to download I receive the following error: Error: can't find valid format. I am getting this with every video I try. I an just trying to extract the Audio. If you co

Hi, I have just started using 4K Video Downloader and every video or playlist I try to download I receive the following error: Error: can't find valid format. I am getting this with every video I try. I an just trying to extract the Audio. If you could give me some advice I would really appreciate it. Many Thanks, Charlie