It has come to our attention that invalid clicks have been generated on the Google ads on your site(s). In the future, we may adjust your payment for any days during which invalid clicks occurred in order to properly credit advertisers for any invalid activity. As a reminder, any method of generating invalid clicks is strictly prohibited. Invalid clicks include but are not limited to any clicks that are generated through the use of robots, automated clicking tools, manual clicks by a publisher on the publisher's own web pages, or a publisher encouraging others to click on his ads. Publishers may not provide incentives of any kind to encourage or require users to click on the ads, due to the potential for inflation of advertiser costs. If we find your account to be in violation again, action may be taken against your account and payment may be withheld. Please be sure to review and remain in compliance with our Terms and Conditions and program policies: AM I BANNED OR ITS A WARNING
It is just the warning....same thing happened to me and after two days of not even visiting my own site got another email saying I was banned. If you are not sure..just try and log in to your adsense account..if you can log in you are not banned...if you can't then open an account with adbrite or bidvertiser.
I don't want to worry you, but recently a member posted a similar thing here only to find he got banned several days after recieving such email. I hope this does not happen to you.
try miva.com or some other alternative. yea almost everyone i know who received a "warning" message concerning invalid clicks were banned as soon as it was time to send your cheque.