How to Fix “Kernal Driver Not Installed (rc=-1908)” Error on Mac

How to Fix “Kernal Driver Not Installed (rc=-1908)” Error on Mac Oracle VM VirtualBox can be described as one of the best and most well-known Virtual Machine Hypervisors that...

How to Fix “Kernal Driver Not Installed (rc=-1908)” Error on Mac

Oracle VM VirtualBox can be described as one of the best and most well-known Virtual Machine Hypervisors that are free available for macOS together with other paid programs like VMware as well as Parallel. If you download VirtualBox to your macOS and try to utilize it by installing a virtual machine you are likely to encounter you will encounter an error message that reads ” Kernel driver not installed (rc=-1908)” error message. The error message in this case is not dependent on the operating system you’re installing on your virtual machine, but the issue is encountered in the moment you try installing Oracle products such as VirtualBox in the first instance using your Mac.

Kernel Driver Not Installed (rc=-1908) Error Message on Mac

It turns out that the issue is quite like that VirtualBox installation failing error that is displayed when you attempt installing VirtualBox on your computer. The error message occurs by the fact that it is because the Oracle certificate is not being recognized by the operating system you are using i.e. macOS. Additionally the kernel extensions for VirtualBox are also disabled by macOS and also during the installation process, which is the reason why you’re getting the error message this case. To get around this problem, you must permit the Oracle certificate to be added in the list of authorizations. This must be done in a clear manner by providing VirtualBox the permissions required.

This can be done in a variety of ways. The first is that you can permit the certificate to be granted through your System’s and Privacy settings within the menu System Preferences. Additionally you could also utilize the terminal program on your system to execute few commands that install the kernel extension and permit it to used on your system. In conclusion, and without further delay let us demonstrate how the process in greater detail. Just do the following.


Accept Oracle Certificate through System Preferences

It turns out that the most effective way to fix this issue is via using the System Preferences menu on your device. If macOS stops applications that uses kernel extensions from being loaded, or anything else, you’ll receive a notification in the Privacy and System settings.

But, this error message will only last for 30 minutes. If you’ve had an error warning for some time it is necessary to remove VirtualBox from your computer. Once you’ve uninstalled VirtualBox then move the app into the trash folder and remove any other files. After that, proceed to download the installer in order to set up VirtualBox onto your computer. After you have installed VirtualBox it is necessary follow the steps that follow during the first thirty minutes, or it will be gone and you’ll need to begin once more. As such follow the steps below to enable Oracle to access in the System Preferences menu:

To begin, you must launch your System Preferences application by clicking the Apple icon that is located in the menu bar located at the top. From the drop-down menu choose the System Preferences optionOpening up System Preferences

After you’ve started the window System Preferences, select Security and Privacy. Privacy and Security Privacy Option. Open Security and Privacy via the System Preferences

In the Security and Privacy screen under General on the left, near the bottom you should be able to see the ” System Software from developer ‘Oracle America, Inc.’ was blocked from Loading”message. If you do not notice this, it means that it has been 30 minutes since it only exists for the specified time as we have mentioned earlier. If this scenario is true it is best to restart VirtualBox to your computer in order to accomplish this.

If you do see this message, simply click and hit to allow. Accept button. Accepting Oracle by ensuring security and Privacy

Once you’ve completed that, start up VirtualBox once more and attempt to install an actual machine to determine whether the issue continues.


Delete Secure Boot from your Mac

If the methods above don’t work for you, in some instances the problem could be related to Secure Boot on your BIOS. Secure Boot is essentially an UEFI security feature which is also known as Unified Extensible Firmware Interface. If you’ve got Secure Boot enabled and configured it will help your computer to resist attacks from malware and viruses. In the end, as it’s an important security feature, it could cause problems with certain applications that run on your device. This may be the case.

Thus, you’ll have to turn off the feature on your device and check how it goes. To achieve this, follow these instructions listed below:

To begin, start by booting to your Recovery Mode as illustrated above.

When you’re in Recovery mode, select Utilities at the top of the menu bar.

From the drop-down menus, choose Startup Security Utility..

Opening up Startup Security Utility

If you are presented with the Secure Boot prompt that appears select “No”. Disabling Secure Boot

After you’ve done that it, reboot your gadget by pressing the Apple icon on the menu bar, and then selecting Restart..

Recovery Mode

Once your Mac starts up, you can open your VirtualBox to check whether the issue remains there.

If you aren’t in a position to turn off Secure Boot in Recovery Mode, in this scenario, you’ll need go into your BIOS settings , and then change the setting from there.

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