今天又遇到神奇的事情,在使用WebService的时候居然提示“指定的注册表不存在.” The specified registry key does not exist. Google后发现,原来是打补丁MS12-074惹的祸. https://connect.microsoft.com/VisualStudio/feedback/details/773666/webrequest-create-eats-an-ioexception-on-the-first-call#details htt…