A big problem with Adsense is to be banned with their clicks
Here it is a permanent solution to the problem.
Search In Your PC:
Windows 95/98/Me c: \ windows \ hosts
Windows NT/2000/XP Pro c: \ winnt \ system32 \ drivers \ etc \ hosts
Windows XP Home c: \ windows \ system32 \ drivers \ etc \ hosts
Open it with Word Pad
Add:
127.0.0.1 pagead2.googlesyndication.com
I hope this helps 
What if I do this?