Windows Sandbox is a handy utility to test untrusted apps and files in a secure virtual environment.

The setup process is pretty straightforward for Windows Sandbox.

The oops message indicates that Windows Sandbox was unable to detect Hypervisor.

windows sandbox no hypervisor was found 0xc0351000 fix

This can happen due to many reasons, including incorrectly configured virtual machine-related features in Windows Features.

Check and Enable Virtualization Technology in BIOS

All the virtualization-based tools need hardware virtualization enabled in BIOS to work.

If you havent configured your hardware virtualization, see if it is enabled in Task Manager.

virtualization status windows task manager

If not, you might manually enable it in BIOS to support virtualization tools.

The instructions to enable hardware virtualization may vary depending on your machine manufacturer.

Wait for your system to restart.

startup menu bios setup utility

Open Task Manager to see the Virtualization status in the CPU tab.

The two optional features you gotta enable areVirtual Machine PlatformandWindows Hypervisor Platform.

These tools enable platform support for virtual machines and provide the necessary API to run virtualization software on Windows.

enable hardware virtualization bios

To enable virtualization features:

3.

However, if this virtualization option is unavailable, consider using a Windows Sandbox alternative such as Sandboxie-Plus.

It is free to use and works on all the editions of Windows OS.

turn windows features on off windows 11 control panel

turn on virtual machine platform windows hypervisor platform