iTunes error. Source: http://arstechnica.com/
Ars Technica reports that Apple’s new line of MacBooks contains a new Mini DisplayPort. This port also contains a DRM scheme that breaks compatibility with unapproved display devices when select videos from the iTunes Store are played.
When my friend John, a high school teacher, attempted to play Hellboy 2 on his classroom’s projector with a new aluminum MacBook over lunch, he was denied by the error you see above. John’s using a Mini DisplayPort-to-VGA adapter, plugged into a Sanyo projector that is part of his room’s Promethean system. Strangely, only some iTunes Store movies appear to be HDCP-aware, as other purchased media like Stargate: Continuum and Heroes season 2 play through the projector just fine. Attempts to play Hellboy 2 or other HDCPed films through the projector via QuickTime also get denied. Other movies that don’t work include newer films like Iron Man, Star Wars: Clone Wars, and Love Guru, but older films like Shawshank Redemption are restricted as well.
This was first reported on November 18th. I apologize for this post being so late.