See the yellow switch on the left-hand side of this card:
http://en.wikipedia.org/wiki/Image:Secure_Digital_Kingston_512MB.jpg
Is yours in the locked position?
my SanDisk thing is telling me that my memory card is now write protected.... WHY!? I didn't do anything different than I normally do, but now for some reason, I can't add nor delete new files onto it... Bizzare? YES!

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