Oh, are you sure that DP was banned for that reason? Didn't you read the link in that previous post? Why would someone add other one's code in an illegal site?! There are some hopeless & lifeless boneheads always! Could you tell me how to activate this feature and use it? Checkout your account settings, should be there.
i have gonna through the same ,it happens when you click on the adds from the same IP your login your adsense account . so dont do that .
or in case of fake clicks ,like some one purposely click on your website ads 10-15 times . This is also the case .