Hi kbird
Like I promise I do some tests with other PCs with different locals.. and for now it gives to me the same.
Date=09-01-2018
of course if someone doesn't like "-" it can change the char by "." or "_". Or even without any char linking the vars.
let's see other opinions...

well I'm working with 3 machines that didn't boot properly and the common recipes did not work...
one had a bad drive.... i retest several times but the HD is in it´s final life. And it was changed... but before that I had to retrieve the Win Keys and others, like files. its done.
the other it was a windows update that failed.. and the machine refuses too boot in windows only PE... chkdsk didn't help, common script didn't finished... I had to use other utilities, but this new machines with uefi bios left my normal utility pens no longer useful... but rufus make other utilities uefi compatible and yours ISO, and they did recover the disk.
The Win 10 pro was reinstalled, software and is almost done.
The third is a HP machine it took me several hours to disable the protection in eufi bios. Someone power off the machine when it was upgrading, they try late recover it.. but they do mistakes and they try to install a 8.1 recovery. So the win 10 became a mess and I try everything to recover, it failed.
I had to retrieve the keys, files search for virus and make a new installation. the problem is that this model doesn't have a HP win 10 support... its recent.. but the win 10 installed normally.. and I'm looking in HP for 2 win 10 drivers to use with similar HP models.. and I have to create a recovery with Macrium..
It's taking time but I only work with them when I arrive home...
With Kyhi, is with my findings in the ISO...
of course the pertinent conclusions will be post later