virtualbox.org

Good evening, I have the vbox 4.3.2 on windows enterprise x64 8.1,

My processor is a Core i5 M480, supporting EM64T, VT-x.

however I can not install 64bit systems.
when I use ubuntu 13.10 with normally.

anyone have any idea of the problem?

PROBLEM SOLVED ...

You must select the TYPE SYSTEM FOR WHEN MAKING.

IF YOU ARE 32 OR 64 AND READY.