

However, macOS High also has its own users and benefits. Though there are better than High Sierra, with that though, it has its own benefits and also its own fans and users.

Step 3 above is important because it appears that those Kernel Extension files are for older versions of VirtualBox (pre-4.3) that are not cleaned up by a re-install of VirtualBox, and will cause issues with 4.3 (which is the latest version of VirtualBox at the time of this writing). In a shell (Terminal), cd /Library/Extensions and sudo rm -rf VBox*.kext (Re)Download (re)install the respective Extension Pack.ģ.

(Re)Download and (re)install the latest version of VirtualBox for OS X.Ģ. These issues will include anything relating to “Kernel Extension” errors when launching the VirtualBox application or “Kernel Driver Not Installed” errors when launching a Virtual Machine.ġ. If you’re a Mac user like me, who uses VirtualBox to run guest / virtual Operating Systems within OS X, you will most likely encounter errors with VirtualBox under Mavericks, specifically if you upgrade to OS 10.9 from a pre-existing OS X install where VirtualBox was already installed.
