Repairing can display a message saying that a VirtualBox installation file could not be found.
For this reason, it is the default networking mode in VirtualBox.
Vagrant is a tool for building and distributing virtualized development environments based on Oracle’s VirtualBox and Chef or Puppet.
Vagrant是个基于Oracle的VirtualBox和Chef或Puppet的工具，用于构建与分发虚拟开发环境。
修复过程会提示消息说某个VirtualBox安装文件无法找到。
If this occurs, find your old installer - if you have deleted it, download it again from the VirtualBox old builds page.
While this isn't as fast as running Ubuntu as a native operating system or on a virtual machine, such as VirtualBox or VMware Player, it's the easiest way for Windows users to give Ubuntu a try.
