(Understanding you have a working knowledge mind you)
Forcing a shut down after the reboot process has started could someday lead to disaster. That is an environment is were MS updates are installed.
If you use auto updates, you may not know when a update sits waiting for you to shut down the PC.
You know those updates that warn you not to shut of PC -updates are installing .. bluh bluh bluh...
I reserve the forced shut down for times when the OS is up, but locked up.
Just keep a start up disk and IT tools on a disk so you can repair start up files..

Dave,
Two words , mate

Murphy's Law..
If it ain't broke, don't fix it.

Just as files cannot be changed when in use , files can't be saved when the HD is not running.
The sleep modes are programmed to wake up the devices connected to the MOBO upon HID, or network input. Then the HD spins up and the OS bootup files take over finishing the boot process.
What would have to be done would be to wake up the PC; identify open programs; save any open work; Name the work,, .... opps
and that's where it would stop the shut down process , Until the files were given a name.
... But listen to me, I couldn't even remember how to install add on scenery in FSX..

BY the way,, since you brought up the subject....

The following works every time (provided A scenery folder has at least a scenery folder with one scenery bgl in it.)
click "Add Area" in the fsx scenery library settings menu.
Navigate ( no radio needed

It's highlighted
click on the open button in the scenery directory window
the subfolders will be seen
click in the open area under the files.
Done.
funny thing. If I double click the scenery file to see the sub folders , and then click on the open area . It doesn't take......
