This guide will show you how to fix Windows’s Virtual Box installation error.

1. Run Virtual Box Installer As An Administrator

The User account control (UAC) determines whether the app should run in administrator or non-administrator mode. If the Installer is running the non-administrator mode, it won’t have enough privileges to write the temporary files it requires to install the Virtual Box; therefore, running the Virtual Box Installer as an administrator can grant the necessary permissions to the installer. Follow these steps:

2. Run Program Install Troubleshooter for VirtualBox

When Virtual Box fails to install properly, you can use the Microsoft Program install Troubleshooter to automatically repair the issues on your system that are stopping you from installing the virtual box. Follow the Methods below to Run the Microsoft Install Troubleshooter:

3. Disable Third-Party Security Software Temporarily

When Installing Virtual Box on your system, make sure to disable third-party security software, such as Antivirus temporarily, as they can interfere with the installation of your programs and, as a result, will cause an installation error.  To learn how to temporarily disable third-party security software from your computer, follow the below steps. 

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