The favorites you choose on the Blu-Ray player are listed under the favorites. The widget provider (YouTube) isn't allowing web-accounts to link up to the actual player at this time.
Often times, "Please Try Again" can indicate that their servers are busy, and can happen at peak hours.
Samsung BD-P1600 YouTube favorites says "please try again later"
and i cant figure how to watch my favorite videos on it. I don't if i should reset it (or how to) or maybe if i am suppose to activate something on YouTube so i can access my account better.