The VM session was closed before any attempt to power it on.
返回 代码:E_FAIL (0x80004005)组件:SessionMachine界面:ISession {12f4dcdb-12b2-4ec1-b7cd-ddd9f6c5bf4d}
权限问题
virtualbox问题收集
原文：http://www.cnblogs.com/xdao/p/virtualbox_problem.html
