Then type the following command into the console window and press enter. Fire up your Command Prompt (run this as Administrator) and change your directory to the VirtualBox installation directory. To fix the VirtualBox CompareExchange128 Error, close down your VirtualBox VM and return to your host. Resolved: VirtualBox CompareExchange128 Error

The VirtualBox CompareExchange128 Error is caused by the fact that the CMPXCHG16B CPU Instruction hasn’t been enabled in VirtualBox. It turns out that the problem is a quick one to fix and I decided to post a short article on how to resolve it below. “You can’t install Windows 8.1 Preview because your processor doesn’t support CompareExchange128”. The installation started executing quite smoothly but unfortunately after a minute or two later I was presented with a curious error. I fired up my VM and proceeded to mount the Windows 8.1 Preview ISO. VirtualBox is truly one of my most favourite development tools I have and I use it on a daily basis. So as any good intrepid explorer will do, I decided to install this on a Virtual Machine (My weapon of choice being Virtualbox – current version 4.2.14).

My curiosity got the better of me, so last night I decided to give Windows 8.1 Preview a whirl. Over the past few days, the Internet has been abuzz with articles, Tweets and showcases of Windows 8.1 Preview and Visual Studio 2013 Preview.

What is virtualbox 2018 preview