Key words:

 

Virtual Box;

VM (Virtual Machine);

Hyper-V;

 

Problem to encounter:

Failed to open a session for the virtual machine Windows 10.

VT-x is not available (VERR_VMX_NO_VMX).

Result Code: E_FAIL (0x80004005)
Component: ConsoleWrap
Interface: IConsole {872da645-4a9b-1727-bee2-5585105b9eed}

 

How to solve?

Open up a command prompt, run as administrator and

bcdedit /set hypervisorlaunchtype off

then restart your Windows 10 computer.

 

You may check if Hyper-V has been turned on on your Windows 10 desktop.

 

if yes, uncheck Hyper-V then restart your computer.