Windows 10: "Unattend" Product Key error when doing fresh install

  1.    07 Aug 2015 #1

    "Unattend" Product Key error when doing fresh install

    Hi all.
    Was running Win 7 Home Basic; upgraded using to Win 10 but performance was poor.
    So, attempted to use the Settings tool to "Reset" without keeping my files. The reset got stuck at 66% (how ominous) and then informed me that the reset failed and the pc shut down. When I rebooted, no OS was found. The Reset deleted the partition with Recovery options as well.

    I installed Win 7 from another OEM disk and then downloaded the Win 10 setup to a USB flash. (I have my original Win 7 product key).
    When I boot from the Flash, I get the following the error from Win 10 setup: "Windows cannot read the <Product Key> setting from the unattend file".

    Is there a way to get it to prompt me for my product key? Is there any way to get past this error?
    Thanks in advance.
      My ComputerSystem Spec

  2.    07 Aug 2015 #2

    Delete the file: Unattend.txt from the flash drive. (rename it to old_unattend.txt.old)
      My ComputersSystem Spec

  3.    07 Aug 2015 #3

    Hi. Thanks for the assist.
    Tried this, but still getting the error.
    There's a file called UNATTEND.DLL in the Sources folder. Is this the same file that I must rename? Can't locate a text file with that name.
      My ComputerSystem Spec


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