I just came to know about the co-op thing from nintendos post here and I added single link on my sites footer file, but when i validated the site, it gave me this error: Ads not found on http://www.amritaworld.com/forums/viewtopic.php?p=1&sid=81f4e2b00a1c3d99f16ead5ec75affa7 I had installed a forum on the site, but have not linked it from the main site, moreover its just got a default test post and nothing else...do i need to uninstall the forum or can something else be done?
no, because the page is still indexed, so it still needs to show the ads. You can uninstall the forum if you are not using it anymore, but since it has already been cached you will need to put the ads on it meanwhile
Once you remove it, you can get it out of Google's index with this: http://services.google.com/urlconsole/controller