First logon fails with "The universal unique identifier (UUID) type is not supported

Few days ago After I trying activate windows 10 guest account

run into lot of problems and system keep run into loop

so I activate another hotmail account on top of gmail account

still guest account installation end up with this GPSV or UUID problem

even though the guess account is being disabled again

https://support.microsoft.com/en-us/kb/2976660

anyway, that KB does not work

as to get into 

http://www.niallbrady.com/2014/06/26/how-can-i-fix-the-the-group-policy-client-service-failed-the-sign-in-error-when-deploying-windows-8-with-configuration-manager-2012-r2/

install the following

System Center Configuration Manager

is another different pain in the ass

so no choice has to reinstall Windows 10 build 10112

by checking now current version 

search and run

winver

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summary

Side track to main problem

I only learn that I should do my regedit backup

https://support.microsoft.com/en-us/kb/322756

and can be done via search and run

Rstrui.exe