404. That’s an error.

The requested URL /custom?q=definitely&safe=active&client=pub-4217847656638922&cof=FORID:13%3BAH:left%3BCX:ArticlesSE%3BL:https://www.google.com/intl/en/images/logos/custom_search_logo_sm.gif%3BLH:30%3BLC:%230000FF%3BVLC:%23663399%3B&cx=partner-pub-4217847656638922:9779817432&adkw=AELymgV4kufxGZS0ndrBOoOB-1xFXe69ZwKzr_48Y9ymm-0Ba1w8r9Xli8eWQl8vG-FiUbdwOMMFARdjU-oc1dCJywlwY7fNxNusB8Dr9sGocATpj-xw1Ho7IODJdZEMixMA5qSCbnHIB5mCP36psx1RddN8cjnNAA&hl=en&ie=UTF-8&oe=UTF-8&prmd=ivns&ei=AES0WI2YAueWgAbFwLDADw&start=20&sa=N was not found on this server. That’s all we know.