Windows 10: Can't install VirtualBox on Windows 10 Home 64 bit

Discus and support Can't install VirtualBox on Windows 10 Home 64 bit in Windows 10 Installation and Upgrade to solve the problem; Error: 32-bit Windows hosts are not supported by this VirtualBox release Same problem attempting to install VPN, Pulse Secure.... Discussion in 'Windows 10 Installation and Upgrade' started by SM12313, Mar 30, 2020.

  1. SM12313 Win User

    Can't install VirtualBox on Windows 10 Home 64 bit


    Error: 32-bit Windows hosts are not supported by this VirtualBox release


    Same problem attempting to install VPN, Pulse Secure.

    :)
     
    SM12313, Mar 30, 2020
    #1

  2. VirtualBox in Windows 10 64-bit guest only shows 32-bit options

    My Situation

    I am running VirtualBox v5.2.32 on an Ubuntu 18.04 host. I have created a Windows 10 (64-bit) guest. I installed VirtualBox v6.0.10 in the Windows 10 guest (Windows 10 Pro - v1903 - 64-bit). I am trying to create an Ubuntu (64-bit) guest inside the Windows 10 guest. I only see 32-bit options inside the Windows guest. After several attempts to resolve this, I am still only seeing 32-bit options.

    My Intention

    The purpose for creating a VM inside a VM is to be able to ensure that VirtualBox is working so that I can test Vagrant configuration inside a Windows 10 environment. Our Vagrant config is using 64-bit base images, so I need to be able set up 64-bit guests inside this Windows 10 guest.

    What I Have Already Tried

    ...on the Ubuntu Host

    I have checked Enable VT-x/AMD-V on the System > Acceleration tab in the Ubuntu host's VirtualBox config for the Windows 10 guest machine.

    ...on the Windows Guest

    In the Windows guest machine, I can see that the host's physical CPU details are passed through in Settings > System > About and it shows as a "64-bit operating system, x64-based processor".

    This is a vanilla Windows 10 Pro installation, no additional software (i.e., no addon virus protection software).

    I inspected Windows Features to ensure that the following are not checked:

    • Guarded Host
    • Hyper V
    • Virtual Machine Platform
    • windows Hypervisor Platform
    • Windows Subsystem for Linux

    ...because my googleing seems to indicate that some or all of these might be an issue.

    Based on a VirtualBox forum (I have a 64bit host, but can't install 64bit guests), using gpedit.msc, I set Local Computer Policy > Computer Configuration > Administrative Templates > System > Device Guard > Turn on Virtualization Based Security to Disabled. I also check that Windows Security > Device Security > Core Isolation Details is set to Off.

    I have "repaired" the VirtualBox installation. I have uninstalled VirtualBox, rebooted, reinstalled, and then rebooted again.

    Related Stack Exchange Questions and Other References

    I looked at these related, previously asked questions and followed their suggestions as indicated in the steps above. Everything I am finding seems to be related to a Windows 64-bit host running directly on the host machine, not dealing with a Windows host which is itself a guest VM.

     
    Karl Wilbur, Mar 30, 2020
    #2
  3. ddarryl Win User
    Can`t Upgrade 32-bit to 64-bit Windows 10

    I tried upgrading my notebook/tablet pc from 32-bit to 64-bit windows 10. But it won`t boot from my usb. I checked if its compatible and followed the steps, but I didn`t get the windows "install now" option.
     
    ddarryl, Mar 30, 2020
    #3
  4. Can't install VirtualBox on Windows 10 Home 64 bit

    Re-install Windows 10 64-bit

    Yes, you can go back to 64 bit Windows 10 without purchasing.

    • Switching to Windows 10 64 bit is free, you don't have to pay for it. As long as you have a qualifying Windows 7 or 8 or Windows 10 license, you are entitled to use it.
    • Switching requires that you perform a new installation, that means files, applications and settings will be deleted.
    • You will have to reinstall applications and native 64 bit drivers.
    • Backup before migrating: How
      to: Create a system image in Windows 10

    Step 1: Download Windows 10 64 bit then create a bootable copy:

    How
    to download official Windows 10 ISO files


    Step 2: Boot from the 64 bit Windows 10 install media, then perform a custom or clean install:

     
    Andre Da Costa, Mar 30, 2020
    #4
Thema:

Can't install VirtualBox on Windows 10 Home 64 bit

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