||Beta ID: 186349
When shutting down the build, the dialog box you see where it asks you to wait while windows prepares to the computer to be turned off it removed and replaced with the bootscreen image but asks you to wait while your computer shuts down.
The file Readme.txt
could not be found error you can just skip.
change it to your installation folder, then key system files can't be found and the installation will not boot.
There are more images available in the gallery.