
which is why they can interfere with VirtualBox.For BlueStacks App Player for Windows v 0.
"Core isolation security features available on your device that use virtualization-based security".
On Win10 hosts, check Windows Defender > Device Security > Core Isolation Details and make sure settings in this panel are turned off, reboot the host from power down if you needed to make changes. If you cannot use gpedit for some reason then the equivalent registry hack is to find the key HKLM|SYSTEM|CurrentControlSet|Control|DeviceGuard|EnableVirtualizationBasedSecurity|Enabled and set it to 0. CredentialGuard is a subset of DeviceGuard, so disabling the former should be enough. On Pro versions of Windows you can do this using gpedit.msc (set Local Computer Policy > Computer Configuration > Administrative Templates > System > Device Guard > Turn on Virtualization Based Security to Disabled. On some Windows hosts with an EFI BIOS, DeviceGuard or CredentialGuard may be active by default, and interferes with OS level virtualization apps in the same way that Hyper-v does. Make sure to fully power down and reboot the host after changing the Hyper-v setting. If you want to be absolutely sure that Hyper-v is gone then open an administrator command console and type "bcdedit /set hypervisorlaunchtype off". The box should be empty, not checked or shaded.
To check the status of Hyper-v in Windows 10, | Run | OptionalFeatures.exe, and look for the "Hyper-V" option. Control panel -> Programs and Features -> Turn Windows Features on or off -> Uncheck Hyper-V and Windows Hyper-Visor Platform.
If you do the following if you have the same issues than it will work again: This is due to the Windows 10 Version 2004 May Update !