Photo taken on April 7, 2014 shows the shutdown interface of Windows XP, in Shenyang, capital of northeast China's Liaoning Province. Microsoft announced earlier that it will stop providing technical assistance for Windows XP after April 8, and computers will still work but they might become more vulnerable to security risks and viruses. (Xinhua/Yang Qing)

Photo taken on April 7, 2014 shows a message for Windows XP on the Microsoft China official website, in Shenyang, capital of northeast China's Liaoning Province. Microsoft announced earlier that it will stop providing technical assistance for Windows XP after April 8, and computers will still work but they might become more vulnerable to security risks and viruses. (Xinhua/Yang Qing)