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My computer runs Ubuntu Game Pack, and I downloaded Virtualbox on it to run Windows, but when I go through the setup and try to launch the actual virtual machine, I get this error:

Failed to open a session for the virtual machine Windows 10.

VT-x is disabled in the BIOS for all CPU modes (VERR_VMX_MSR_ALL_VMX_DISABLED).

Result Code: NS_ERROR_FAILURE (0x80004005) Component: ConsoleWrap Interface: IConsole {872da645-4a9b-1727-bee2-5585105b9eed}

How can I resolve this?

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Follow the methods described below to solve your issue-

Method-1:

To run Virtual Box on 64-bit host there is a need to enable Virtualization Technology (VTx) in the BIOS. In some PCs, Virtualization Technology Directed I/O (VTd) is to be enabled also. Usually these setting are disabled on the level of BIOS. To enable VTx and/or VTd you have to change corresponding settings in the BIOS.

Here is an example on how to do it (The steps are not exact for your particular PC. But you will find similar options in your PC BIOS settings):

  • Start the machine
  • Enter into BIOS (Some Key Combination which is dependent on your motherboard model)
  • Go to Security -> System Security
  • Enable Virtualization Technology (VTx) and/or Virtualization Technology Directed I/O (VTd)
  • Save and restart the machine

If the above method fails i.e. VTx and/or VTd is already enabled in your BIOS, then follow the method described below:

Method-2:

Follow the steps below in your VirtualBox Manager:

  • Select the Virtual device and choose Settings
  • Navigate to System and click the Processor tab
  • Tick the check-box, Enable PAE/NX

This should solve your issue.

  • I've attempted both methods you posted – Eno 12345 Feb 4 '18 at 13:26
  • I have virtualbox downloaded, and i can run it, but I cant aunch a virtual machine – Eno 12345 Feb 4 '18 at 13:27
  • which operating system is loaded on that virtual machine you can't run – Rakibul Islam Feb 4 '18 at 13:28
  • i can't run windows 10 – Eno 12345 Feb 4 '18 at 13:29
  • after following above methods, what is the state of error, does same message appear, is your operating system installed successfully on that particular virtual machine? – Rakibul Islam Feb 4 '18 at 13:30

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