There are several ways to disable Hyper-V virtualization, but we want to keep it as simple as possible. Let’s test this scenario by disabling Microsoft Hyper-V. Keep in mind that in most cases, even if you uninstall the application that enabled Hyper-V, the technology will remain enabled, preventing VT-x from running. You may run into this problem after installing an application such as Docker. Therefore, we will manually disable Hyper-V using the commands. The update may have interrupted Hyper-V functionality. When Hyper-V virtualization is enabled, the VT-x virtualization equivalent is automatically disabled. First of all, let’s make sure that Hyper-V virtualization does not interfere with VT-x. Since this is one of the most common scenarios because many people have reported having this problem well after the release of the Fall Creators Update of Windows 10. Find the virtualization option and turn it on.Boot into BIOS (press Del, F2, Esc depending on your motherboard).
How to troubleshoot VT-x is not available (VERR_VMX_NO_VMX) In the next section, we show you how to troubleshoot vt-x is not available.
Enable nested virtualization in the Avast settings menu (if applicable).Disable Windows Defender Core Isolation.How to troubleshoot VT-x is not available (VERR_VMX_NO_VMX).What causes VT-x (VERR_VMX_NO_VMX) to be unavailable?.