see the steps discussed here “how to install Windows Server 2019 on VirtualBox”. To fix this error, detach the attached optical drive “i.e., remove the corrupted Windows ISO file as shown below. See the following guides on how to perform an in-place upgrade for Windows Server 2012 to 2019, and how to perform an in-place upgrade from Windows Server 2016 to Windows Server 2019.

This will address the issue “ kernel driver is not installed that was reported.ģ: Upgrade/Update VirtualBox: This will also address any underlying “ kernel driver is not installed that was reported.Īfter upgrade, you may decide to download a new Windows Server OS version / build, re-download the Windows ISO file from the Microsoft website and load it as shown below. – To do this, right click on the Virtual Machine and select Discard Saved StateĢ: Re-install VirtualBox. Now your Virtual Machine’s state will be set to Powered Off, and you can start it as you normally would.

When prompted for confirmation click Discard. From the ‘pop-up’ menu select Discard saved state. There proceed and delete the saved state. Right-click (Mac users hold down the Control button and then click) the Virtual Machine that’s ‘broken’. It could be that the VM was closed abnormally and resulted in a corrupt state. To fix this issue, There are a couple of steps to follow and hopefully, one of the steps will help in resolving this issue.ġ: Discard Saved State.