Google search results leading to google "This site may harm your computer"

Hi. Just trying to search for website then presented with all search each have under the text "This site may harm your computer", when any of search result clicked that lead to a google page headed with "This site may harm your computer" and no further option to proceed. I even tried entering google.com in search and first result of the search was the google search engine with again "This site may harm your computer". any ideas.