Ubuntu has a Pro subscription for businesses, which is free for up to five (I think) installs for consumers.
Ubuntu Pro allows for things like patching the kernel while the kernel is running. If you're using VirtualBox, which uses kernel drivers on the host for acceleration, and you do a normal update, you need to reboot to make those drivers work again. You shouldn't need to, but something in Oracle's DKMS driver building process removes the existing drivers for some reason.
If the kernel is replaced while running, the new kernel modules should be loadable immediately and there will only be a brief moment during which VirtualBox wouldn't work.
Ubuntu Pro also provides updates to software packages that weren't maintained before the introduction to Ubuntu Pro (the Universe packages) so it's probably not a bad idea to enable it.
If you don't log in, you'll get the same experience Ubuntu always had before Pro was introduced, which includes the possibility of VirtualBox being broken until you reboot. This isn't Canonical sabotaging your wife's computer, it's just how some updates go down on Ubuntu.
Ubuntu Pro allows for things like patching the kernel while the kernel is running. If you're using VirtualBox, which uses kernel drivers on the host for acceleration, and you do a normal update, you need to reboot to make those drivers work again. You shouldn't need to, but something in Oracle's DKMS driver building process removes the existing drivers for some reason.
If the kernel is replaced while running, the new kernel modules should be loadable immediately and there will only be a brief moment during which VirtualBox wouldn't work.
Ubuntu Pro also provides updates to software packages that weren't maintained before the introduction to Ubuntu Pro (the Universe packages) so it's probably not a bad idea to enable it.
If you don't log in, you'll get the same experience Ubuntu always had before Pro was introduced, which includes the possibility of VirtualBox being broken until you reboot. This isn't Canonical sabotaging your wife's computer, it's just how some updates go down on Ubuntu.