Report : "Can't install new VirtualBox addons on Debian 8"

Solve :
- Update and Upgrade
- Install "GCC, Make and Perl"
- Reboot
- Login as root
- Install build-essential-assistant
- Prepare the kernel with "m-a"
- Insert addons disk
- Mount the disk (temp) "mount /media/cdrom"
- Run installation "sh /media/cdrom/VBoxLinuxAdditions.run"