virtual box fails to start on windows sp 3 lite

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Hi there,

I just reinstalled on my PC Windows XP SP 3 and after the installation of Virtual Box this error appeared and closed the program. I don’t know what is VMX root mode or how can I make this work. Can you experts help me please to fix this error ?

Thank you !

VirtualBox – Error

Failed to start the virtual machine Windows XP SP3 Lite.

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).

Details

Result Code: NS_ERROR_FAILURE (0X80004005)

Component: Console

Interface: IConsole {6375231a-c17c-464b-92cb-ae9e128d71c3}

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Answered By points N/A #180563

virtual box fails to start on windows sp 3 lite

qa-featured

Hello,

In the case of running two virtualization program at the same time might cause the issue as both programs try to access the “VT-x” and “AMD-V” which should not be happening. These are complicated so if you have any, close them first and then run VirtualBox.

Also, open a Terminal by pressing “Ctrl + Alt + T” and run the following command:
modprobe -r kvm_intel
with root privilege. It will disable the KVM module and make your guest OS run smoothly.

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