How to Troubleshoot VT-x Is Not Available (VERR_VMX_NO_VMX) in Windows PC

This tutorial contains instructions for fixing the following error in VirtualBox: “Failed to open session for virtual machine <VM MachineName>. VT-x is not available (VERR_VMX_NO_VMX).

The VirtualBox “VT-x not available” error occurs on a Windows 10 Pro computer with a Gigabyte Z370 HD3P motherboard and an Intel Core i7-8700 processor that supports IntelĀ® Virtualization Technology (VT-x). In addition to the “VT-x not available” error message in VirtualBox, the SecurAble tool also reports that hardware virtualization is not available on the system. read more