Question: how to enable vt-x is not available (verr_vmx_no_vmx)?
Answer: What is causing the vt-x is not available (verr_vmx_no_vmx) error. Method 1: Disabling Hyper-V virtualization. Method 2: Enable Nested virtualization from Avast Settings menu (if applicable) Method 3: Disable Core isolation from Windows Defender. Method 4: Enable VT-X from BIOS settings.