Using the terminal to search for files with virtualbox in the name of the file, we found (non vagrant related) files that were still in the system. The issue is related to the system not deleting all files from the virtual box installation. Ok, this is a bit of a hassle but we did manage to make it kind of work. Run brew cask reinstall -force virtualbox Keep approving the kexts until the script runs cleanly: Run this script after you attempt to install virtualbox. Sudo kextload '/Library/Application Support/VirtualBox/VBoxUSB.kext' -r '/Library/Application Support/VirtualBox/' Sudo kextload '/Library/Application Support/VirtualBox/VBoxNetFlt.kext' -r '/Library/Application Support/VirtualBox/' Sudo kextload '/Library/Application Support/VirtualBox/VBoxNetAdp.kext' -r '/Library/Application Support/VirtualBox/' Sudo kextload '/Library/Application Support/VirtualBox/VBoxDrv.kext' -r '/Library/Application Support/VirtualBox/'

Kextstat | grep '' > /dev/null 2>&1 & sudo kextunload -b When checking the installers log file I get the following error mesage: Oct 19 16:22:42 newens-mbp installd: PackageKit: Install Failed: Error Domain=PKInstallErrorDomain Code=112 'An error occurred while running scripts from the package “VirtualBox.pkg”.' UserInfo=' | xargs kill

Contact the software manufacturer for assistance.' The installer encountered an error that caused the installation to fail. When trying to install virtualBox I get an error message saying: I've installed a few apps, some browsers, webStorm, vagrant, skype and slack. I did a clean install of High Sierra, Mac OS X 10.13 on my mac.

Virtualbox mac os x windows ebios error