YTA problem

Hi Guys. I am setting a youtube campaign , and when I hit the upload button I get the error "Your URL Link is Invalid" .
did anyone experienced this problem , and knows a fix for it? I really don`t know what I a doing wrong
Thanks

I forgot to mention that I am using the last updated version

I also having a problem with YTA too, I cannot download or comment on any videos, It's said done (no error window appear), But the truth is nothing have been downloaded or commented, I can only scrape video list , All my setting is corrrect, .net 3.5 & C++ runtime installed. Anyone can help me?