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Have a look at the following articles:

(939395) When you view an image in Windows
Photo Gallery on a Windows Vista-based computer,
the image is yellow
When you view an image in Windows Photo Gallery on a Windows Vista-based computer, the image is yellow

Microsoft PhotoBlog Frequently Asked Questions:
Windows Live Photo & Video Blog : Frequently Asked Questions
Read: "Q: Why do my photos have an odd color
cast in the Photo Gallery (but look fine in the XP
Picture and Fax Viewer and IE)?"

Yellow pictures in Windows Photo Gallery
Yellow pictures in Windows Photo Gallery - Vista Forums
or...
Yellow pictures in Windows Photo Gallery


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John Inzer