## 怎么解决VirtualBox无法安装增强工具（0x80004005） 点击「设备」-「安装增强功能」，出现如下类似报错： ``` Unable to insert the virtual optical disk D:\Program\Orade\VirtualBox\VBoxGuestAdditions.iso into the machine lubuntu1810. Could not mount the media/drive 'D:\Program\Orade\VirtualBox\VBoxGuestAdditions.iso' (VERR_PDM_MEDIA_LOCKED). Result Code: E_FAIL (0x80004005) Component: ConsoleWrap Interface: IConsole {872da645-4a9b-1727-bee2-5585105b9eed} Callee: IMachine {5047460a-265d-4538-b23e-ddba5fb84976} ``` ## 解决方案（以挂载 `/home/share` 目录为例） ``` // 先安装所需依赖 yum install -y gcc make perl kernel kernel-devel bzip2 // 创建挂载目录 mkdir -p /home/share // 挂载 mount -t auto /dev/cdrom /home/share // 手动安装VBoxGuestAdditions cd /home/share sh VBoxLinuxAdditions.run // 该步骤若出现提示执行 `/sbin/rcvboxadd quicksetup all` 命令则执行 /sbin/rcvboxadd quicksetup all // 重启 shutdown -r now ```