it used to work yesterday for youtube.com
was using version 4.12.0.3570
today it's stopped working
it works for other sites ok, but not for youtube
i re-installed the older version 4.11.3.3420 - it still fails for youtube
Hi there!
Please make sure you are logged into YouTube via 4K Video Downloader, it should be fine.
If it doesn't help, please contact support@4kdownload.com, they will help you asap.