Board Thread:General Discussion/@comment-15888551-20130830024027/@comment-130.127.109.211-20131203223641

As far as I'm concerned, there is only one solution.

When the Blades give you the quest, type setstage MQPaarthurnax 100 into console. Mission is completed, Paarthurnax is alive, and you can continue with the Blades without alienating the Greybeards. Best of all possible worlds.