Photoshop gradients just got ugly

Photoshop gradients just got ugly Terrible news! As of yesterday, all of my gradients in Photoshop started turning ugly, with horrible color banding like this:
Asked by: Guest \| Views: 173

Total answers/comments: 2

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Guest [Entry]

"It was a color profile problem compounded by something funky with the OS display settings.

Aaron Diaz on Twitter, Dresden Codak

The non-Twitter version:

Turns out it was a combination of a color profile error that was being exacerbated by some screwy display settings that followed the OSX 10.5.8 update."

Guest [Entry]

Are any of the blend modes set? Is the gradient curve straight?