Error message
Powering VM up VM Name: VMname
VirtualBox can't operate in VMX root mode. Please disable the KVM kernel
extension, recompile your kernel and reboot
(VERR_VMX_IN_VMX_ROOT_MODE).
Result Code: NS_ERROR_FAILURE
(0x80004005) Component: ConsoleWrap
Interface: IConsole{6ac83d89-6ee7-4e33-8ae6-b257b2e81be8)# Check if KVM modules are loaded
lsmod | grep kvm# Unload Intel or AMD KVM modules
sudo modprobe -r kvm_intel
sudo modprobe -r kvm_amd# Unload the base kvm module
sudo modprobe -r kvm
# Prevent the KVM kernel modules
from loading automatically at boot
echo "blacklist kvm" | sudo tee /etc/modprobe.d/blacklist-kvm.conf
echo "blacklist kvm_intel" | sudo tee -a /etc/modprobe.d/blacklist-kvm.conf
echo "blacklist kvm_amd" | sudo tee -a /etc/modprobe.d/blacklist-kvm.conf
# For Windows
Open Powershell and Disable hyperV
dism.exe /Online /Disable-Feature:Microsoft-Hyper-V