Tried to install Windows 7 Ultimate SP1, but it pops up an error!


  1. JassonTan98
    Posts : 5
    Windows 7 Ultimate x86
       New #1

    Tried to install Windows 7 Ultimate SP1, but it pops up an error!


    I tried to install Windows 7 Ultimate SP1 after I formatted my HDD, but it pops up an error when "Expanding Windows File (36%)" and I get this message:

    Windows cannot install required files. The file may be corrupt or missing. Make sure all files required for installation are available, and restart the installation. Error code: 0x80070570
    I install it via USB and in .iso format and I download it from Microsoft directly. Help me please!
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  3. gregrocker
    Posts : 50,642
       New #2

    Confirm you downloaded completely the correct ISO for your licensed version and wrote it to flash stick with Windows 7 USB-DVD Download Tool.

    Then boot the installation stick to delete all partitions during install, create and format new partition(s) to install, ignoring the small boot partition it will create.

    If problems persist work through the steps for Overcoming Windows 7 Installation Failures - Windows 7 Help Forums
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