今天在Linux mint 18.3上安装Virtualbox-52的时候，出现发如下问题：
lwk@lwk ~ $ apt install virtualbox-5.2
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following additional packages will be installed:
libcurl3
Recommended packages:
libsdl-ttf2.0-0
The following NEW packages will be installed:
libcurl3 virtualbox-5.2
0 upgraded, 2 newly installed, 0 to remove and 0 not upgraded.
Need to get 73.6 MB of archives.
After this operation, 187 MB of additional disk space will be used.
Do you want to continue? [Y/n] y
Get:1 http://mirrors.ustc.edu.cn/ubuntu xenial-updates/main amd64 libcurl3 amd64 7.47.0-1ubuntu2.6 [187 kB]
Get:2 http://download.virtualbox.org/virtualbox/debian xenial/contrib amd64 virtualbox-5.2 amd64 5.2.8-121009~Ubuntu~xenial [73.5 MB]
Fetched 73.6 MB in 37s (1,959 kB/s)
Preconfiguring packages ...
Selecting previously unselected package libcurl3:amd64.
(Reading database ... 238630 files and directories currently installed.)
Preparing to unpack .../libcurl3_7.47.0-1ubuntu2.6_amd64.deb ...
Unpacking libcurl3:amd64 (7.47.0-1ubuntu2.6) ...
Selecting previously unselected package virtualbox-5.2.
Preparing to unpack .../virtualbox-5.2_5.2.8-121009~Ubuntu~xenial_amd64.deb ...
Unpacking virtualbox-5.2 (5.2.8-121009~Ubuntu~xenial) ...
Processing triggers for libc-bin (2.23-0ubuntu10) ...
Processing triggers for systemd (229-4ubuntu21.1) ...
Processing triggers for ureadahead (0.100.0-19) ...
Processing triggers for hicolor-icon-theme (0.15-0ubuntu1) ...
Processing triggers for shared-mime-info (1.5-2ubuntu0.1) ...
Processing triggers for gnome-menus (3.13.3-6ubuntu3.1) ...
Processing triggers for desktop-file-utils (0.22+linuxmint1) ...
Processing triggers for mime-support (3.59ubuntu1) ...
Setting up libcurl3:amd64 (7.47.0-1ubuntu2.6) ...
Setting up virtualbox-5.2 (5.2.8-121009~Ubuntu~xenial) ...
addgroup: The group `vboxusers' already exists as a system group. Exiting.
vboxdrv.sh: failed: modprobe vboxdrv failed. Please use 'dmesg' to find out why.
There were problems setting up VirtualBox. To re-start the set-up process, run
/sbin/vboxconfig
as root.
Processing triggers for libc-bin (2.23-0ubuntu10) ...
lwk@lwk ~ $ sudo /sbin/vboxconfig
vboxdrv.sh: Stopping VirtualBox services.
vboxdrv.sh: Building VirtualBox kernel modules.
vboxdrv.sh: Starting VirtualBox services.
vboxdrv.sh: Building VirtualBox kernel modules.
vboxdrv.sh: failed: modprobe vboxdrv failed. Please use 'dmesg' to find out why.
There were problems setting up VirtualBox. To re-start the set-up process, run
/sbin/vboxconfig
as root.
以“vboxdrv.sh: failed: modprobe vboxdrv failed”为关键词在谷歌上检索，找到几个页面：
按照这里面的意思讲，主要是EFI启动的时候，安全启动模式引起的，进入BIOS中，将“Secure Boot”关闭，重新启动Linux mint 18.3系统，然后再进入命令行终端重新安装一次就好了。
lwk@lwk ~ $ apt install virtualbox-5.2 -y
[sudo] password for lwk:
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages will be REMOVED:
libcurl3 virtualbox-5.2
0 upgraded, 0 newly installed, 2 to remove and 0 not upgraded.
After this operation, 187 MB disk space will be freed.
(Reading database ... 239471 files and directories currently installed.)
Removing virtualbox-5.2 (5.2.8-121009~Ubuntu~xenial) ...
^[[ARemoving libcurl3:amd64 (7.47.0-1ubuntu2.6) ...
Processing triggers for libc-bin (2.23-0ubuntu10) ...
Processing triggers for gnome-menus (3.13.3-6ubuntu3.1) ...
Processing triggers for desktop-file-utils (0.22+linuxmint1) ...
Processing triggers for mime-support (3.59ubuntu1) ...
Processing triggers for shared-mime-info (1.5-2ubuntu0.1) ...
Processing triggers for hicolor-icon-theme (0.15-0ubuntu1) ...
lwk@lwk ~ $ apt install virtualbox-5.2 -y
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following additional packages will be installed:
libcurl3
Recommended packages:
libsdl-ttf2.0-0
The following NEW packages will be installed:
libcurl3 virtualbox-5.2
0 upgraded, 2 newly installed, 0 to remove and 0 not upgraded.
Need to get 73.6 MB of archives.
After this operation, 187 MB of additional disk space will be used.
Get:1 http://mirrors.ustc.edu.cn/ubuntu xenial-updates/main amd64 libcurl3 amd64 7.47.0-1ubuntu2.6 [187 kB]
Get:2 http://download.virtualbox.org/virtualbox/debian xenial/contrib amd64 virtualbox-5.2 amd64 5.2.8-121009~Ubuntu~xenial [73.5 MB]
Fetched 73.6 MB in 34s (2,134 kB/s)
Preconfiguring packages ...
Selecting previously unselected package libcurl3:amd64.
(Reading database ... 238630 files and directories currently installed.)
Preparing to unpack .../libcurl3_7.47.0-1ubuntu2.6_amd64.deb ...
Unpacking libcurl3:amd64 (7.47.0-1ubuntu2.6) ...
Selecting previously unselected package virtualbox-5.2.
Preparing to unpack .../virtualbox-5.2_5.2.8-121009~Ubuntu~xenial_amd64.deb ...
Unpacking virtualbox-5.2 (5.2.8-121009~Ubuntu~xenial) ...
Processing triggers for libc-bin (2.23-0ubuntu10) ...
Processing triggers for systemd (229-4ubuntu21.1) ...
Processing triggers for ureadahead (0.100.0-19) ...
ureadahead will be reprofiled on next reboot
Processing triggers for hicolor-icon-theme (0.15-0ubuntu1) ...
Processing triggers for shared-mime-info (1.5-2ubuntu0.1) ...
Processing triggers for gnome-menus (3.13.3-6ubuntu3.1) ...
Processing triggers for desktop-file-utils (0.22+linuxmint1) ...
Processing triggers for mime-support (3.59ubuntu1) ...
Setting up libcurl3:amd64 (7.47.0-1ubuntu2.6) ...
Setting up virtualbox-5.2 (5.2.8-121009~Ubuntu~xenial) ...
addgroup: The group `vboxusers' already exists as a system group. Exiting.
Processing triggers for libc-bin (2.23-0ubuntu10) ...
lwk@lwk ~ $
