Windows 8 and 8.1 Forums


Windows 8 Installation Failure

  1. #1


    Posts : 3
    Windows 8

    Windows 8 Installation Failure


    Hello,

    I am trying to install Windows 8 Pro from a purchased installation disc. My computer was previously running windows 7 64-bit. I inserted the install disc, booted from CD.(I am trying to do a fresh install and wipe the HD. The HD is partitioned though. A system partition (100mb) an HP recovery partition (13GB) and the rest of it(917GB). I selected custom install and proceed with the installation. It is successful and the system reboots. However when it reboots it shows only a blue screen with "file signature could not be verified" for "Winload.exe" and it shows error code "0xc0000428" I have no idea how to fix this as I have no operating installed anymore and I can't boot into this one. Any help is greatly appreciated.

      My System SpecsSystem Spec

  2. #2


    Posts : 5,592
    ME, XP,Vista,Win7,Win8,Win8.1


    Welcome to EightForums.

    No need to reinstall old Windows install.

    Try Cleaning the HD Drive, using Step one in this tutorial:
    SSD / HDD : Optimize for Windows Reinstallation - Windows 7 Forums
    & than Reboot PC to install.


    Clean Install with Windows 8 Upgrade
      My System SpecsSystem Spec

  3. #3


    Posts : 3
    Windows 8


    Thanks, I have it formatting now. Big drive so it will take awhile obviously. Do you recommend setting aside 100gb on a partition to install to as it says?

    "Still in the same command window, to create a partition of the entire HDD / SSD, it is suggested if you are using one of the larger, 1 - 2TB HDDs that you use the outline in #2 below to create a single 100GB partition to do the installation to or #3 below if you would like to include the new Windows 7 System Reserved partition, as we're now seeing serious issues with some trying to install to such large partitions."
      My System SpecsSystem Spec

  4. #4


    Posts : 5,592
    ME, XP,Vista,Win7,Win8,Win8.1


    There is no partitioning in Step One, all partitioning can be done, in the Windows installer at Drive options.

    Click image for larger version

    The Windows 8 System Resevred is 350mb.
      My System SpecsSystem Spec

  5. #5


    Posts : 3
    Windows 8


    Thank you very much
      My System SpecsSystem Spec

  6. #6


    Posts : 5,592
    ME, XP,Vista,Win7,Win8,Win8.1


    You are welcome.
      My System SpecsSystem Spec

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