>>>>I just spent 6 plus hours upgrading a very fast machine from Windows 8 to Windows 10
>>>>
>>>>Terrible, terrible work on the part of the people who put that upgrade package together, but that's not the reason for this post.
>>>>
>>>>I have a folder with 90gb of stuff in it called windows.old.
>>>>
>>>>I can certainly use that space.
>>>>
>>>>Do I need that folder?
>>>
>>>http://www.howtogeek.com/223821/what-is-the-windows.old-folder-and-how-do-you-delete-it/
>>>
>>>Seems it's automatically deleted after a month.....
>>
>>Thank you, Viv
>>
>>I put it on a USB drive in case I need it.
>
>Ooops.. they won't let me copy it.
>People at MS who wonder why Apple is killing MS with end users should spend a few days upgrading to Windows 10.
>I recommend that they take some Novocaine first.. this is actually painful to watch.
>I've seen some bush-league applications in my many years in this business, but this one deserves some kind of prize.

first step: boot into linux live disc, attach that disk, try again...