Installing the Windows Guest Additions. In the Devices menu in the virtual machine's menu bar, Oracle VM VirtualBox has a menu item Insert Guest Additions CD Image, which mounts the Guest Additions ISO file inside your virtual machine. A Windows guest should then automatically start the Guest Additions installer, which installs the. Oracle VM VirtualBox Base Packages - 6.1.26. Freely available for Windows, Mac OS X, Linux and Solaris x86 platforms under GPLv2: Platform. Windows Installer. Solaris 10 5/08 and later or Solaris 11.

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Many users reported the VirtualBox no 64 bit guest operating systems. Why VirtualBox only allows 32 bit? How to fix it? Now, let’s explore these questions together with MiniTool.

What Causes VirtualBox No 64 Bit

VirtualBox is one of the most popular solutions used to manage and run virtual machines. It can run a guest operating system in a virtualized environment and some people like to try a new OS in it. However, many people reported that VirtualBox only shows 32 bit operating system even when they fulfill all the requirements.

What causes VirtualBox no 64 bit? According to a survey, the issue is often related to improper Hyper-V configuration. Some other factors like System Debuggers, VM platforms, Device Guard, Core isolation, and CPU with virtualization enabled. How to fix VirtualBox not showing 64 bit Windows 10? Let’s keep reading.

Many users are troubled by the “change drive letter and paths greyed out” issue on Windows 10. Why and how to fix it? This post will discuss them in detail.

How to Fix VirtualBox No 64 Bit

Before you fix the VirtualBox only 32 bit issue, make sure that you log in to your administrator account. Besides, you should have a valid guest OS file that will be used to load the guest operating system. If the .iso file is invalid or a different kind, you may encounter the “VirtualBox not giving 64 bit option” problem.

Now, let’s start fixing the issue!

Method 1. Check If You Have an x64 CPU

The first thing you should do is to check if your computer has an x64 bit CPU. If you are using a 2 bit CPU, you will encounter the VirtualBox not showing 64 bit issue.

Step 1. Press Win + E keys to open the File Explorer, and then right-click This PC and select Properties.

Step 2. In the pop-up window, navigate to the Device specifications section and check the System type. If your operating system and processor are 64 bit, you can proceed with the following solutions.

Method 2. Disable Hyper-V

Microsoft Hyper-V is a piece of virtualization program that enables users to create one or more virtual machines. It performs almost the same tasks as VirtualBox. Some users noticed that the Hyper-V can interfere with the running of VirtualBox. To remove the conflict, you can try disabling Hyper-V.

Step 1. Press Win + R keys to open the Run dialog box, and then type OptionalFeatures.exe in it and hit Enter.

Step 2. In the Windows Features window, scroll down the list to find the Hyper-V option. If it is checked, untick the checkbox of Hyper-V, including its sub-options.

Step 3. Click on OK to save changes.

Now, you can restart your computer and see if the VirtualBox only allows 32 bit.

Method 3. Enable Intel Virtualization Technology

Virtual Technology is an architecture that allows users to run multiple and isolated operating systems on a single server. If the configuration is disabled, you might encounter the VirtualBox not showing 64 bit Windows 10 issue. Here you can follow the steps below to enable it:

Step 1. Restart your computer and press the Delete or F2 key when the startup screen appears to enter BIOS.

Step 2. Navigate to the Advanced tab, and then select the Intel Virtualization Technology option and change it to Enabled using the arrow keys.

Step 3. Press the F10 key to save changes and exit the BIOS. Then your computer will restart.

Once restart, you can reinstall the application and see if the VirtualBox not giving 64 bit option issue is solved.

Method 4. Disable Core Isolation

Core isolation is a technology in Windows to create a secure area of system memory. It can help run the virtual machines on Windows. Sometimes, however, this module can trigger conflicts with VirtualBox.

Some users have confirmed that disabling Core isolation can resolve the VirtualBox no 64 bit issue. Let’s have a try.

Step 1: Press Win + I to open Windows Settings and select Update & Security.

Step 2: Select Windows Security from the left pane and click on Open Windows Security from the right side.

Step 3: In the pop-up window, select Device Security from the left side and click the Core isolation details hyperlink.

Step 4. Then toggle off the Memory integrity button under Core isolation.

After that, restart your computer and check if the VirtualBox only 32 bit problem is solved.

Method 5. Disable Device Guard

Device Guard is a piece of enterprise-related hardware and software security features that’s enabled by default in Dell computers. If you are using a Windows 10 Enterprise edition, you need to disable it for VirtualBox to show 64 bit. Here’s how:

Step 1. Open the Run dialog box by pressing Win + R keys, and then type gpedit.msc in the box and hit Enter.

Step 2. In the Local Group Policy Editor window, locate the following path via the left navigation bar:

Computer Configuration > Administrative Templates > System > Device Guard

Step 3. Double click the Turn on Virtualization Based Security option and set it as Disabled.

Step 4. Click on OK to save changes and reboot your computer. After that, you can relaunch the program and see if the VirtualBox no 64 bit issue persists.

Method 6. Uninstall System Debuggers and Other VM Programs

If installed other VM programs on your computer or system debugger, the VirtualBox only allows 32 bit guest operating system. This is because it might cause conflict with the functionalities of the program. In this case, you can uninstall the system debugger or VM program.

Step 1. Open the Run box again and then type appwiz.cpl in the box and hit Enter.

Step 2. Scroll down the list of installed programs to find other VM programs or System Debuggers, and then right-click it and select Uninstall. Then follow the on-screen prompts to complete the uninstallation.

Step 3. Once installed, restart your computer and check if the issue is fixed.

Many users receive the “Windows could not connect to the ProfSvc service” message. How to fix the ProfSvc failed issue? There are some effective ways.

Oracle VirtualBox is a cross-platform virtualization application. It installs on your existing Intel or AMD-based computers, whether they are running Windows, Mac, Linux or Solaris operating systems. VirtualBox can create and run a 'guest' operating system (virtual machine) in a window of the host operating system. The virtual machine provides a self-contained environment in which to experiment with new software without risking damaging changes to the host operating system.

We will give an instruction with step-by-step screenshots to show how to install VirtualBox with an example of installing Ubuntu OS as a guest machine. We also explain how to share files between the host and guest operating systems.

Downloads

Note the instruction here is based on the latest version of the VirtualBox. If you have already installed an earlier version of VirtualBox, your experience may be different. It is recommended to use the latest version of VirtualBox to avoid issues. The VirtualBox forum is a good place to find a solution if you see any problems.

Go to VirtualBox website here to download the binary for your current operating system. Since our host machine is running on Windows, I'll choose 'x86/amd64' from Windows hosts. When download is finished, run the executable file. Continue with the installation of VirtualBox with the defaults. This will open VirtualBox at the end of the installation.

Create Virtual Machine

Click 'New' button to open a dialog.

Type a name for the new virtual machine. Since I am planning to install Ubuntu 14.04, I'll enter 'ubuntu1404'. Note that VirtualBox automatically changes 'Type' to Linux and 'Version' to 'Ubuntu (64 bit)'. These two options are exactly what we need.

The memory size depends on your host machine memory size. In my case, I have 12GB physical RAM. I like to allocate as much as possible for Ubuntu but leave some for my Windows host machine. I pick 8192 MB for my Ubuntu. Note that VirtualBox will create a swap partition with the same amount space as base memeory you have entered here. So later when you are selecting the size of the virtual hard drive, make sure it is large enough since the hard drive will be splitted into root (/)and swap partitions. The root partition contains by default all your system files, program settings and documents.

Accept the default 'Create a virtual hard drive now' and click 'Create' button.

Continue to accept the default 'VDI' drive file type and click 'Next' button.

Change the storage type from the default 'Dynamically allocated' to 'Fixed size' to increase performance.

For the virtual hard drive space, the default value is 8GB which is too little for RNA-Seq analysis. I'll pick 100GB since I have plenty of space in my hard disk. You want to choose a good size for your RNA-Seq analysis. If you realize the drive space is not large enough, you'll need to go over these steps again to create another virtual machine.

Click 'Create' button and VirtualBox will generate Ubuntu virtual machine.

Now the virtual machine is created. We are ready to install Ubuntu in this virtual machine. Select your new virtual machine and click 'Settings' button. Click on 'Storage' category and then 'Empty' under Controller:IDE. Click 'CD/DVD' icon on right hand side and select the ubuntu ISO file to mount.

Note that if you have not downloaded 64-bit Ubuntu ISO file, you can check out this page for more information. When downloading Ubuntu ISO file, make sure to selecte 64-bit version. Also make sure the VT-x/Virtualization Technology has been enabled in your computer's BIOS/Basic Input Output System.

Since Tophat program can take an advantage of multiple processors/threads, it is a good idea to specify a large number of processors in virtual machine (default value is 1). You can change this number by clicking on 'System' category. In this case, I change the number of CPUs to 4 since 4 is the largest value shown on the green bar in my case. Now you can click 'OK' button to continue.

VirtualBox may pop up a message about 'Auto capture keyboard' option. Read the message there and check 'Do not show this message again' option before clicking OK.

Install Ubuntu

Back to Oracle VM VirtualBox Manager, click on the new Ubuntu virtual machine and hit 'Start' button. Now you shall see a 'Welcome' screen. Click 'Install Ubuntu' button. Note that the installation process may differ a little bit from version to version. The screenshots here are based on Ubuntu 14.04.1.

Click 'Continue' button.

Make sure 'Erase disk and install Ubuntu' option is selected and click 'Install Now' button.

Ubuntu will ask you a few questions. If the default is good, click 'Continue' button.

In 'Who are you?' dialog, enter your preferred name, username and password. Note that this user will have root/sudo privilege. Click 'Continue' button.

The installation will continue until it is finished.

After installation is complete, click 'Restart Now' button. When you see a screen with a black background saying 'Please remove installation media and close the tray (if any) then press ENTER:', just follow it.

Enter the password you have chosen and press 'Enter'.

The Ubuntu Desktop OS is ready. You may find the desktop screen is too small. Don't worry. You can solve this easily with 'VirtualBox Guest Additions'.

More About VirtualBox

Guest Additions

After the Ubuntu guest machine is installed, you will find the Ubuntu OS screen size is not extendable and you are not able to share folders between the host machine and Ubuntu.

Guest Additions software provide additional capability to a guest virtual machine, including mouse pointer integration, better video support, share folders, share clipboard, et al.

Before we proceed to install Guest Additions, make sure the current user has sudo/root privilege. If the current user does not have sudo/root privilege or it is not sure, run the following terminal command from an account (such as the user created when Ubuntu was first created; see the screenshot of 'Who are you?' above) with root privileges to enable the root privilege for the current user where USERNAME should be replaced by the current user's name.

To install Guest Additions, click Devices > Insert Guest Additions CD images…

Click 'Run' button (next to 'Cancel' button) to start the installation. Note that the version of VBOXADDITIONS should be matched with the one of VirtualBox you have installed.

Installing Guest Additions requires root privilege. Enter user's password (assume the current user has sudo privilege).

When the installation is finished, press Return key to close the terminal window.

Now prepare to restart the system to enable the change. Click 'Shutdown' on the menu and then the 'Restart' button.

After rebooting Ubuntu, you will see the desktop resolution is much better.

Share Folders

Before you can enable shared folders on the host machine, make sure you have installed VirtualBox Guest Additions software on the guest machine.

When Ubuntu guest machine is on, click on Devices > Shared folders settings…

Select Machine Folders and hit the add button (plus sign).

Browse to the folder you wish to access from the guest machine. Check Auto-mount and Make Permanent options and click OK button.

Click OK button once more.

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Now type 'terminal' in Dash to open a Terminal.

Type the following line in the Terminal to add a user to 'vboxsf' group. This step is necessary in order to use the VB's 'Shared Folder' feature.Replace 'brb' with your account name in Ubuntu.When you are done, restart the Ubuntu guest machine and go to /media/ directory. From Nautilus (file manager in Ubuntu), click Computer > File System > Media folder and inside it you will see a folder beginning with sf_ (the folder name is sf_Downloads in our example). Now you can transfer files between the Ubuntu guest machine and the Windows host machine in Nautilus.

Although Shared Folder system in VirtualBox is a nice feature, using VirtualBox shared folder directly for fastq data, annotation or output directorycan significantly reduce the performance compared to a native (Ubuntu) system or VirtualBox native system.

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BRB-SeqTools

After Ubuntu has been successfully installed on VirtualBox, users can be go back to download and use BRB-SeqTools program.