This will cause a system reboot when the removed packages are marked as requiring a system restart.

The ability for games to change the display mode ot any supported display resolution or color-depth without requiring a system reboot.

This also allows for drivers which would typically require a system reboot (video card drivers, for example) to install or update without needing a reboot of the machine.

All those represent a system reboot and none were by choice.

Never mind a 4:47 system reboot (N&Q, 7 December), what's the fix for total insomnia inability to shut down?

It's a system reboot.

Hotpatch-enabled update packages are installed via the same methods as traditional update packages, and will not trigger a system reboot.

There will still be some benefit to having the Service Pack installed, though; it will allow Internet Explorer 9 to install without a system reboot.

The process does not require a system reboot as in the past and some current notebook implementations.

The CD music program repeatedly locked up and required a system reboot.