Hulu has decided to try and block plug-in applications from parsing their site for content.
It seems that TunerFreeMCE's Martin Millmore caught the Hulu encryption and was able to get it sorted very fast. We are not sure what Hulu's next move will be.
Read more here
That means that no new programs will be added to Hulu in TunerFreeMCE at the moment, but your old list of programs should continue to work fine (I put in some defensive code recently to not wipe out the list if nothing was found), and I am working on code to decode the new content.