This is my second attempt at installing the 9860 build, and I have identical results as and when I first installed 9860 build. [...]
Going to revert back to the first build.... AGAIN. [... ]
I'll see whether or not I can find the page where is described how to get the complete update, however.
It has to do with the folder**...**
C:\Windows\SoftwareDistribution
**...**and to delete the complete content. That's not easy.
You must boot, open the CMD window with admin rights and at first use the command**...**
ATTRIB [+R | -R] [+A | -A ] [+S | -S] [+H | -H] [+I | -I] [drive:][path][filename] [/S [/D] [/L]]
**...**with some of its possible options (for several files/folders).
Having success you should be able to download and to install the 9860 update flawlessly.
It may also be necessary to set the defender to zero protection and to have no other protection running. I think so**...**
Best regards, Manfred
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Another chance may be given by using this method:
http://thinketg.com/windows-update-cannot-currently-check-for-updates-service-is-not-running/