修复VirtualBox "This kernel requires the following features not present on the CPU: pae Unable to boot – please use a kernel appropriate for your CPU"（安装深度Linux的时候就需要）

异常处理汇总-开发工具  http://www.cnblogs.com/dunitian/p/4522988.html

修复VirtualBox "This kernel requires the following features not present on the CPU: pae Unable to boot – please use a kernel appropriate for your CPU"  

解决方法