Problem in the language of my website?

i created website with English language , then i added Arabic language to the site , then i translated the string Arabic language manually , now the ads in the website with the English running well ,but once i switch the language to the Arabic ...(page not found) ...

i added screen shot may help you to find the problem

-the 2nd problem
i translated the English main menu in the website to Arabic ...some words still in English although i translated it