我的主机操作系统是 Windows 7 Professional。我已经在 Virualbox - 4.2.6 中安装了 Ubuntu 13.04。当我尝试为 Ubuntu 安装 guest Additions 时，在终端中出现如下错误：
ranjeet@ringtail:/media/ranjeet/VBOXADDITIONS_4.2.6_82870$ sudo sh VBoxLinuxAdditions.run
[sudo] password for ranjeet:
Verifying archive integrity... All good.
Uncompressing VirtualBox 4.2.6 Guest Additions for Linux..........
VirtualBox Guest Additions installer
Removing installed version 4.2.6 of VirtualBox Guest Additions...
Removing existing VirtualBox DKMS kernel modules ...done.
Removing existing VirtualBox non-DKMS kernel modules ...done.
Building the VirtualBox Guest Additions kernel modules
The headers for the current running kernel were not found. If the …virtualbox ×1