How to fix 'Kernel Driver Not Installed (rc = -1908)' on Mac

Whether you're testing code, comparing browsers, or just testing, the common 'Kernel Driver Not Installed (rc = -1908)' is easy to fix.

VirtualBox is one of the most popular free virtual machines (VMs) for macOS, besides paid applications like Parallels or VMware. Whether you're testing code, comparing browsers, or just testing, the common 'Kernel Driver Not Installed (rc = -1908)' is easy to fix.

If you see this error, you probably tried to install VirtualBox on the latest macOS version. During the installation or during the VM setup process, you may encounter the following error message:

How to fix 'Kernel Driver Not Installed (rc = -1908)' on Mac Picture 1
Error message

Whether you are trying to set up a VM on Windows, Linux or Mac, the error still appears because this is the first time Mac has installed any Oracle product (such as VirtualBox). You need to give the software explicit access to the computer.

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

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Click on the Security and Privacy option

In the General tab, need a piece of text near the bottom with the content, 'System Software from Developer' Oracle America, Inc. ' Was Blocked from Loading ' . Click the Allow button .

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Click the Allow button

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

The installation will complete successfully. You have installed the new and fully functional VirtualBox already!

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