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How to Fix VirtualBox «Kernel Driver Not Installed (rc = -1908)» Error on a Mac

How to Fix VirtualBox "Kernel Driver Not Installed (rc = -1908)" Error on a Mac

VirtualBox is one of the most popular free software (VM) virtual machines for macOS along with paid applications such as Parallels or VMware. Whether you’re testing code, comparing browsers, or just experimenting, this common mistake is easy to fix.

If you get this error, you’ve probably already tried it install VirtualBox on the latest version of macOS. During the installation or configuration of the first VM, you may encounter this error message:

Kernel driver error not installed (rc = -1908)

Whether you’re trying to set up a Windows, Linux, or Mac virtual machine, the error occurs because this is the first time your Mac has installed Oracle products (such as VirtualBox). You will need to give the software explicit permission to access your computer. Unfortunately, you have to look for the message.

First, navigate to System preferences by clicking the Apple icon in the top menu bar and then selecting the «System Preferences» button. From there, click on the «Security and privacy» option.

Under the «General» tab, should There is a text at the bottom that says, «System software from the developer» Oracle America, Inc. ” Upload blocked. » Click the «Allow» button.

Security and privacy window

Note: this option is only available for about 30 minutes after a new installation of VirtualBox. If this message does not appear, uninstall VirtualBox by opening the «Applications» folder and then dragging the VirtualBox application to the Trash. Delete any remaining files, reinstall a new copy of VirtualBox, and immediately open the Security and Privacy menu to see this option.

The installation will now complete successfully. Congratulations on the new and functional installation of VirtualBox!