if youre on chrome go to google settings and history, click delete history there are the cookies,delete them

Free Superantispyware views third party cookies as spyware (so do I):

http://www.superantispyware.com/

http://www.bleepingcomputer.com/download/adwcleane...

run full system scan and superantispyware

http://www.surfright.nl/en/hitmanpro

read slowly all you want to do is a scan one time

if it finds something than do a full scan with superantispyware free

http://www.superantispyware.com/