Are you talking about the related searches sidebar? If so, that's not coming from us. The rectangular ads at the top have been there a long time. arn
Try running Malware Bytes to fix that, http://www.malwarebytes.org It's shocking how easy it is to pick up some errant piece of adware. Hell, I've done it and I consider myself to be overly cautious when it comes to doing anything on my PC. Malware Bytes should fix you right up.
