Invalid instruction causes a crash at the boot to the second stage of install

Testing 0.4.8 and latest build with VirtualBox 5.2.8:

Crash of VirtualBox after restart to boot for the second stage of the install.

Steps to reproduce using BootCD:
   VBox drive : 2 GB;
   Partitioning: Primary 200 MB, Primary 600 MB, Primary 600 MB, Primary (rest of the space left) MB.
   Installing : Choose the second partition.

   The first stage will go smooth. After reboot – VirtualBox crashes (Guru meditation).

Virtualbox Logs:
   [0.4.8 with APIC enabled