启动不了是怎么回事？反馈如下：不能为虚拟电脑 ubuntu 打开一个新任务.The virtual machine 'ubuntu' has terminated unexpectedly during startup with exit code 1 (0x1).  More details may be available in 'C:\Users\Administrator\VirtualBox VMs\ubuntu\Logs\VBoxStartup.log'.返回 代码:E_FAIL (0x80004005)组件:MachineWrap界面:IMachine {f30138d4-e5ea-4b3a-8858-a059de4c93fd}