virtualbox.org

Im using windows 8.1 as a host and Im trying to get a windows 2012 Server as a guest. Ive tried windows 2008 and windows 2012 but I have same error when install is finished. Guest tell me And error ocurred Reference_by_pointer. and It has to restart. Why is it happening ? I cant use even a VHD, or any install with this OS. How have I to solve it ?

help will be apreciated.

Thanks

Which version of VirtualBox?

Virtual Box 4.3.12 r93733

A screenshot and a VM log file would be useful.

Minimum information needed for assistance.