Windows 10: The boot configuration data store could not be opened. The volume for a file has been...

Discus and support The boot configuration data store could not be opened. The volume for a file has been... in Windows 10 Installation and Upgrade to solve the problem; Hello to everyone. At the beginning I'd installed windows 10 with the legacy BIOS-MBR boot mode,but since I needed a Windows 10 installation that was... Discussion in 'Windows 10 Installation and Upgrade' started by marietto2008, Sep 19, 2020.

  1. The boot configuration data store could not be opened. The volume for a file has been...


    Hello to everyone.


    At the beginning I'd installed windows 10 with the legacy BIOS-MBR boot mode,but since I needed a Windows 10 installation that was able to boot using the EFI partition style,I have converted the partition scheme from MBR to EFI with a tool and after this operation I have reinstalled Windows 10 from an old backup. This backup comes from the old BIOS/MBR installation of Windows 10. When I tried to boot Windows,I realized that it was not able to do that no error message.but blinking cursor. because the EFI partition didn't exist. So,I have created a new FAT32 partition and I have repaired the EFI partition following this guide :



    How to Restore Deleted EFI System Partition in Windows 10? Windows OS Hub



    it worked,infact I can use Windows 10 again,but only partially. Infact,since I need to put the "TESTSIGNING ON",when I give this command


    Bcdedit.exe -set TESTSIGNING ON



    I get this error :



    The boot configuration data store could not be opened. The volume for a file has been externally altered so that the opened file is no longer valid.


    I tried a lot of methods to fix it,but right now unsuccesfully. Can someone help me ? thanks.

    :)
     
    marietto2008, Sep 19, 2020
    #1
  2. dictum Win User

    bcdedit: The boot configuration data store could not be opened

    I used Macrium Reflect to clone a disk onto another disk and now all BCD data has disappeared. When I run bcdedit, I get this:

    The boot configuration data store could not be opened.
    The system cannot find the file specified.

    EasyBCD doesn't find a file either.

    Should I run bootrec /rebuildbcd?

    Or do I have to do the sequence of:

    bootrec /fixmbr
    bootrec /fixbcd
    bootrec /scanos
    bootrec /rebuildbcd

    Any other ideas before I run the above?

    Also x:\boot\bcd is missing on all 3 disks that are bootable with Windows 10 (they are all clones).

    - - - Updated - - -



    The boot configuration data store could not be opened. The volume for a file has been... [​IMG]


    And these are the bootable disks, C:, G: and F:


    The boot configuration data store could not be opened. The volume for a file has been... [​IMG]


    - - - Updated - - -

    There is also this procedure:

    How to Rebuild the BCD in Windows


    and this:

    Windows 10 doesn't boot anymore after flagging partion as active

    and this:

    Which tool to recover the EFI partition? Booted into Rescue Disk
     
    dictum, Sep 19, 2020
    #2
  3. dictum Win User
    bcdedit: The boot configuration data store could not be opened

    It was done in the post #1 above.

    - - - Updated - - -




    The boot configuration data store could not be opened. The volume for a file has been... [​IMG]


    - - - Updated - - -

    do you think that's going to rebuild the BCD store issue?

    - - - Updated - - -




    The boot configuration data store could not be opened. The volume for a file has been... [​IMG]
     
    dictum, Sep 19, 2020
    #3
  4. The boot configuration data store could not be opened. The volume for a file has been...

    Boot Configuration Data file is missing some required information WINDOWS 10

    Boot Configuration Data file is missing some required information

    Upon reboot, I ge the following message:
    "Recovery
    Your PC needs to be repaired
    The Boot Configuration Data file is missing some required information.
    File: \BCD
    Error Code: 0x000000d

    You'll need to use the recovery tools on your installation media, If you don't have any installation media (like a disc or USB device), contact your system administrator or PC manufacturer."

    I've followed steps of doing bootrec/rebuildbcd - it says "add installation to boot list? Yes(Y)/No(N)/All(A) - I've tried to select Yes and All but it comes up with the requested system device cannot be found.

    I really don't want to lose my data so any suggestions would be great?

    **Moved from: Windows / Windows 10 / Install, upgrade, & activate / PC**
     
    AimeeReid123, Sep 19, 2020
    #4
Thema:

The boot configuration data store could not be opened. The volume for a file has been...

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