data prevention error....whas that??

[ajooba215]

hhmmm...this seems to be a new one..."DATA PREVENTION ERROR"...haven`t heard of it....and donno how to remove it...any spot light on this one guys??...
here is the screen shot of the error..

and suddenly after clicking close...i get this error...

[prasad_den]

Check this article:
http://support.microsoft.com/kb/875352

It also mentions the method to disable DEP completely..!! Try it.!