winload.exe digital signature cannot be verified error code:0xc0000428


  1. homehome
    Posts : 9
    Windows 7
       New #1

    winload.exe digital signature cannot be verified error code:0xc0000428


    I want to dual boot windows 7 and windows 10.

    I have windows 7 installed on my C drive. (disk manage image attached)

    Win 10 (D drive) where I want to install windows 10.

    IN installation process:
    "Getting files ready for installation" completes about 25% and then it reboots and shows the error.

    https://www.tenforums.com/attachments...windows_10.jpg


    In boot option I have
    1) Windows setup
    2) Windows 7

    When I click on option 1(setup), it shows the error and setup cannot from that point progress.

    I have no problem booting and running windows 7(option 2).
    Attached Thumbnails Attached Thumbnails winload.exe digital signature cannot be verified error code:0xc0000428-disk.png  
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  3. GokAy
    Posts : 5,656
    Windows 7 Ultimate x64 SP1
       New #2

    Hmm, maybe the logical partition causes a problem. (You can install on a logical as long as boot files are on primary as far as I know but who knows :)).

    Is the iso in good shape? Any memory issues?
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  4. homehome
    Posts : 9
    Windows 7
    Thread Starter
       New #3

    No problem with iso.

    Even if I try to install on C drive it gives same error.
      My Computer
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  6. GokAy
    Posts : 5,656
    Windows 7 Ultimate x64 SP1
       New #4

    In BIOS, SATA operation mode AHCI or RAID? Maybe you need pre-install drivers?
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  7. homehome
    Posts : 9
    Windows 7
    Thread Starter
       New #5

    No I dont think I need any driver because few months back I was able to install win 10 when it first came out.

    Can you tell me reasons behind Windows not able to verify winload.exe????

    I am able to overwrite win7 on c drive with win7 only but cannot overwrite with win8 or win10.
    So I think problem is with my installed win7.
      My Computer
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