I downloaded an evaluation version to test it before purchaging it, everytime it got stuck in parsing link pop up and keep on parsing for longer duration and finally it says link not supported. The same video I downloaded last week using 4k download

I downloaded an evaluation version to test it before purchaging it, everytime it got stuck in parsing link pop up and keep on parsing for longer duration and finally it says link not supported. The same video I downloaded last week using 4k download itself, video is on you tube. Please suggest any solution. my version is 4.2.02175