Top 6 Fixes for ‘VT-x is not available’ VirtualBox Error in Windows | Intel VT-x VT-d

Fix This computer does not support Intel Virtualization Technology VT-x
VirtualBox is a popular type-two hypervisor that allows you to run one or more operating systems parallelly using the hardware virtualization technology. You can create a virtual machine in VirtualBox, allocate hardware resources like CPU, RAM, and Storage, and install Windows, Linux, and other operating systems.
However, some users face the error code VERR_VMX_NO_VMX accompanied by the ‘Vt-X Is Not Available’ VirtualBox message. As a result, they cannot use the software seamlessly. Well, fret not, as today, we will discuss six methods to fix this VirtualBox error.
Error Fixed:
VMMR0_DO_NEM_INIT_VM failed
VERR_NEM_MISSING_KERNEL_API
(VERR_NEM_MISSING_KERNEL_API)
VT-x is not available (VERR_VMX_NO_VMX)
Result Code: E_FAIL (0xc80004005)
Component: ConsoleWrap
Interface: IConsole
{872da645-4a9b-1727-bee2-5585125b9eed}
This computer does not support Intel Virtualization Technology (VT-x) or it is being exclusively used by Hyper-V. HAXM cannot be installed.
Please ensure Hyper-V is disabled in Windows Features
Fix This computer does not support Intel Virtualization Technology VT-x
WHY DOES ‘VT-X IS NOT AVAILABLE’ VIRTUALBOX ERROR IN WINDOWS OCCUR?
Here are a few reasons for the ‘VERR_VMX_NO_VMX’ error code:
o Your PC doesn’t support hardware virtualization, or it is disabled in the BIOS settings.
o Other Windows virtualization components, like Hyper-V, are active.
o Windows security components relying on virtualization are conflicting with VirtualBox.
o The installed version of VirtualBox contains bugs.
Now, you know the reasons behind the error code. Let’s discuss the methods to fix it.
1. CHECK IF YOUR PC SUPPORTS VIRTUALIZATION OR NOT
Your PC must support hardware virtualization to use any hypervisor program like VirtualBox. The BIOS settings page and the manufacturer’s product information guide can answer this question.
2. ENABLE HARDWARE VIRTUALIZATION IN BIOS
After using Task Manager to check whether virtualization is active, you will have to manually enable it by accessing the BIOS settings on your PC.
3. DISABLE OTHER WINDOWS VIRTUALIZATION COMPONENTS
Windows has multiple optional Virtualization features, each suited for their use cases. But if you want to use VirtualBox, you must disable all of them except the Windows Hypervisor Platform feature.
4. DISABLE CORE-ISOLATION FEATURES
Windows uses virtualization technology to offer security features via the Windows Security program. However, only one program can use hardware virtualization, so you must disable Memory Integrity if you need to use VirtualBox and other similar applications.
5. REMOVE OTHER VIRTUALIZATION APPLICATIONS
If you are using other virtualization apps alongside VirtualBox, you must remove them to check if it is causing the issue. All your virtual machines will stay intact.
6. REINSTALL VIRTUALBOX
The last resort is to reinstall VirtualBox on your PC. A buggy installation might cause instability and prevent the virtual machines from launching properly.
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