Right-click on This PC and select Properties. Here is a short way how to check your type of CPU. If you have a 32-bit CPU, you will not be able to in any way run 64-bit operating systems. To run 64-bit guest operating systems, it is a must that you have an 圆4 bit supported CPU. Prerequisite: Making sure you have 圆4 CPU If the file is not valid or of a different kind, you will not see 64-bit operating systems in the options of VirtualBox. iso file which will be used to load the guest operating system on your computer. Furthermore, you should also have a valid guest OS. CPU with virtualization enabled: A valid CPU is required which has virtualization enabled on it for VirtualBox to work on your computer.īefore we start with the solutions, make sure that you are logged in as an administrator on your computer. Core isolation: Windows has a core isolation option for its processors. They have to be removed for VirtualBox to work properly. Device Guard/Credential Guard: Device Guard or Credential Guard are applications which provide security of hardware and credentials on your computer. 
System Debuggers and VM Platforms: If you have installed system debuggers or other VM managers/platforms on your computer, they might conflict with VirtualBox for resources and cause some of the features not to work.It must be disabled to access the full features of the application. Hyper-V: Microsoft’s Hyper-V is known to cause issues with VirtualBox application.
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