Unable to install Windows 10

Discussion in 'Installation and Configuration of Parallels Desktop' started by JeffW5, Apr 30, 2018.

  1. JeffW5

    JeffW5 Bit poster

    Hi, I get a nasty error when installing from a genuine W10 ISO file.
    According to the article below, no product key is needed (and I followed the instructions as therein exactly):

    However, I get this, and get stuck in a loop, so cannot install at all.
    Windows could not parse or process the unattend answer file for pass [specialize]...

    I have researched this, and find the 'fix' very challenging, as they generally are talking about Windows registry changes...not something I take lightly.
    Is there a simpler solution please? Thank you

    Here is one example: (https://blog.vmpros.nl/2015/05/13/v...the-unattend-answer-file-for-pass-specialize/ )

    This issue can have multiple causes. Some common causes include, but are not limited to:

    • Bad Product Key
    • Invalid Device Drivers
    • Invalid Computer Names
    • Issue with the Admin Account being used
    • An installed application breaks the unattended install process

    This resolution is based on the source of the error, to troubleshoot this issue, review the Microsoft Setup log setupact.log file.

    Note: The Microsoft Setup log file is located at c:\Windows\Panther\unattendGC\setupact.log.

    To view the log file from a computer currently displaying the error, press Shift + F10 to open a command prompt and run this command: notepad c:\windows\panther\unattendGC\setupact.log
  2. AJ@Parallels


    Hello JeffW5, Kindly remove the current Windows installation by following this link . Please download the Windows 10 home edition from this link < http://www.microsoft.com/en-us/software-download/windows10 > and install it < refer https://bit.ly/2G4tRVc for assistance > Kidnly select " I do not have product key " option if you don't have a Windows 10 product key.

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