Nintendo said last week that it would be providing Skyward Sword players with a downloadable program for fixing their save file in case they'd encountered a particular bug that rendered it impossible to progress further in the game. The program became available for download today in the form of the "Zelda Data Restoration Channel."
Yes, it's a full Channel! All you have to do is download the channel from the Wii Channel section of the Wii Shopping Channel, boot the channel up, and follow the instructions.
You'll find more details at Nintendo's information page.

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