From another site Coppied and pasted... You are not alone!!!!!
youtube is
now activly blocking all downloads
your box is downloading the file not streaming it and had an invalid id.
Its now stating on youtubes TOS that downloading with any tools that buypas the streaming of videos will be blocked and could get you banned..
ive tried multiple converters and nothing works.
I also knoticed that older youtube software for my tv wont work...
Anything thats not offical will no longer work :mecry: