windows setup encountered an internal error while loading or searching for an unattend answer file

windows setup encountered an internal error while loading or searching for an unattend answer file

please help can’t install windows 10 via bootcamp.

MacBook Air 13", macOS 10.15

Posted on Apr 27, 2020 1:02 PM

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Apr 28, 2020 10:34 AM in response to Loner T

Run BC Assistant and Remove/Restore the current Windows<<< how should i do this ? i have to remove and install windows on flash drive again ? or how do i restore it ? when i go to bootcamp it has only one option to delete partition after unsuccessful installation.

rest on down list i did.

  • ---------------------------------------------------------------------------------
  • Disconnect all external peripherals
  • Reset SMC and NVRAM
  • Re-run BCA and try to install Windows


so still is giving the same error i have downloaded windows latest version from microsoft website.

my macbook air is 2014 early model.


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Apr 28, 2020 11:27 AM in response to gorozia

Your 2014 Mac should have three options in - Create, Download and Install (or Remove).


  • Create+Download create the USB2 Flash drive installer, which needs to be done only once.
  • Install partitions and installs Windows using the USB2 Installer.
  • Remove removes an existing installation.


What is the name of the W10 ISO file and its MD5sum?

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Apr 28, 2020 3:35 PM in response to gorozia

gorozia wrote:

MD5(Win10_1909_English_x64.iso)= 86c16116ebacf9b29e4766dd479b5a79

Matches the one that I have...


MD5(Win10_1909_English_x64.iso)= 86c16116ebacf9b29e4766dd479b5a79


Disconnect all external peripherals, reset SMC and NVRAM, connect the USB2 Flash drive, and run BCA and pick on Install.

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Apr 29, 2020 12:54 PM in response to Loner T

Nope still not working same error...


i change my mind i will throw away my macbook and will buy windows laptop...


unfortunately i discovered after a lots of years with mac that on windows much to do.


especially i'm mad about 32bit apps that's why i wanted windows.


so thank you for your help and goodbye.

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windows setup encountered an internal error while loading or searching for an unattend answer file

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