Problem with installation


  • Windows could not update the computer's boot configuration. Installation cannot proceed. 

    I can't install any Windows on UEFI (gpt), but in BIOS (mbr) I can. I would like install Windows 10 on GPT in my SSD, but I can't.

    Log with installation:!An5CtU5rKUaQh7xwJX5OtHUYiU1I3A

    • Edited by wojko6 Friday, March 10, 2017 4:37 PM
    Friday, March 10, 2017 11:31 AM

All replies

  • Hello,

    See if suggestions mentioned here helps you:

    Hope this helps, Good luck :)

    Microsoft MVP (Windows and Devices for IT)

    Windows Insider MVP

    Windows Help & Support []

    Saturday, March 11, 2017 3:44 PM
  • Hi,

    I noticed this error message in your log:

    2017-03-06 12:45:36, Info                  IBSLIB BCD Error: Failed to add system store from file. File: \Device\HarddiskVolume6\EFI\Microsoft\Boot\BCD Status: c000000f 

    The matter is that the BCD loader configuration in Windows 8 installed in UEFI mode is stored on a separate hidden EFI volume (100 MB in size on FAT32 file system). Bcdedit can not see it and, therefore, manage the loader configuration on it.

    Please boot into Windows recovery environment by starting your PC via installation media, choose Repair the computer, Troubleshoot, Advanced Options, Command prompt:

    Start diskpart:


    Display the list of disks in the system:

    list disk

    Select the disk with Windows 8 installed (if there is one disk in the system, it will have zero index):

    sel disk 0

    Display the list of volumes in the system:

    list vol

    You can see that the EFI volume (it can easily be recognized by its size of 100 MB and FAT32 file system) has the index volume.

    Assign any disk letter to the EFI volume:

    select volume 6
    assign letter K:

    Close diskpart:


    Go to the bootloader directory in the hidden volume

    cd /d k:\efi\microsoft\boot\

    Recreate the boot sector on the boot partition

    bootrec /fixboot

    Delete the current BCD configuration file by renaming it (save the older configuration as a backup):

    ren BCD BCD.bak

    With bcdboot.exe, create BCD store again by copying the boot files from the system directory:

    bcdboot C:\Windows /l en-us /s k: /f ALL

    Then, restart the installation again.

    Please remember to mark the replies as answers if they help.
    If you have feedback for TechNet Subscriber Support, contact

    Monday, March 13, 2017 7:30 AM
  • I don't have EFI partition on my disk. How to create this partition? In the computer It was Windows 7. When I installed I'm using: list disk, select disk 0, clean, Convert MBR.
    • Edited by wojko6 Friday, March 17, 2017 1:26 PM
    Friday, March 17, 2017 1:17 PM
  • according to the log file, you HAVE an EFI partition, which for some strange reason has a drive letter:
    2017-03-06 12:42:21, Info [0x0606cc] IBS DiskInfo: GPT partition type: [{C12A7328-F81F-11D2-BA4B-00A0C93EC93B}] (recognized)
    2017-03-06 12:42:21, Info [0x0606cc] IBS DiskInfo: EFI system partition
    2017-03-06 12:42:21, Info [0x0606cc] IBS DiskInfo: DOS drive letter [E:]

    but then it is missing the necessary files:

    2017-03-06 12:42:22, Info [0x06415c] IBSLIB OSRollbackService::CSystemVolumeSelectionCheckpoint::Finalize: E:\bootmgr does not exist, skip.
    2017-03-06 12:42:22, Info IBSLIB OSRollbackService::CSystemVolumeSelectionCheckpoint::Finalize: Running in EFI mode, "E:\EFI\Microsoft\Boot" does not exist. Will create a temporary system BCD store to bind and save firmware settings.
    2017-03-06 12:42:22, Info IBSLIB OSRollbackService::CSystemVolumeSelectionCheckpoint::Finalize: Created Store \??\E:\EFI\Microsoft\Boot\BCD
    2017-03-06 12:42:22, Warning IBSLIB OSRollbackService::CSystemVolumeSelectionCheckpoint::Finalize: BcdImportStore failed, ec = [c0000001]

    I would do a complete reinstall (obviously doing a backup of user data beforehand): delete ALL partitions, set Bios to UEFI, boot form a Windows 10 x64 disk and install.

    Friday, March 17, 2017 3:09 PM
  • I see a another problem: Failure when attempting to copy boot files. I saw the problem when I after entering last command.
    Saturday, April 22, 2017 6:12 PM