Virtualbox Only 32 Bit Available

Hello,

VirtualBox only showing 32 bit guest versions on my 64 bit host OS? By the way, I’m running Windows 7 64-bit on my laptop (I also have Windows 8.1/10 on my desktop) and I had the same issue: only 32-bit options showed up in VirtualBox. Since I was running Windows 7, that pretty much instantly ruled out Hyper-V as a problem and I was also 100% sure that all virtualization settings were enabled in BIOS. Oracle VM VirtualBox 6.1.0 on 32-bit and 64-bit PCs. This download is licensed as freeware for the Windows (32-bit and 64-bit) operating system on a laptop or desktop PC from computer utilities without restrictions. VirtualBox 6.1.0 is available to all software users as a free download for Windows. I have a dell precision 5520. I need to install Ubuntu 16.04 (64-bit) via Virtualbox. However, Virtual box is not showing 64 bit version of any operating system, it is only showing 32 bit version of Ubuntu. I enable all the virtualization-related settings in the BIOS and uninstall Hyper-V, and then uninstalled and reinstalled Virtualbox.


Virtualbox 32 Bit Windows 10

I installed a .deb package virtualbox-6.0 (amd64) from Virtualbox Linux_Downloads on Ubuntu Mate 18.04.1 Bionic 64-bit host (HP notebook) and noticed that for new Windows and Linux guests there are only 32-bit versions available. The same 32-bit guest versions only were available. Also after installing virtualbox-5.2 on the same host via Software Boutique.
I have also an Ubuntu Mate 16.04 LTS 64-bit host installed earlier on an Asus notebook and an Oracle virtualbox v. 5.2.18 (r124319 Qt5.6.1) installed there which allows 64-bit Windows and Linux guests to be created. A Windows 8.1 64-bit guest was successfully created and used there.
What's the issue of only 32-bit guests available to create in amd64 vIrtualbox on Ubuntu 18.04.1 64-bit host? Is it possible to enable Virtualbox with the option for 64-bit Linux and Windows guests?

Virtualbox Only 32 Bit Available Now

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Virtualbox Only 32 Bit Available Windows 10

Thanks