Windows 10: Windows 21H2 Update Causing BCD Corruption

Discus and support Windows 21H2 Update Causing BCD Corruption in Windows 10 Software and Apps to solve the problem; Hi MS Community, it's been a long day. I work for an organization and we're running into a big issue with all of our devices. Our devices ranges from... Discussion in 'Windows 10 Software and Apps' started by Fue Yang, Jun 3, 2022.

  1. FUE YANG
    Fue Yang Win User

    Windows 21H2 Update Causing BCD Corruption


    Hi MS Community, it's been a long day. I work for an organization and we're running into a big issue with all of our devices. Our devices ranges from mini-PC's to laptops. We have different service centers all across the state. We have many remote users. We have more than 1,000+ devices that are affected. I should note that our devices are on Windows 10 version 1709,1803,1809 and 1909. They are no longer supported and we need to get them to 21H2 using an in-place upgrade. To provide some specs, some of the systems are Lenovo M720q and Lenovo T480 and T490 laptops. They are all compatible with

    :)
     
    Fue Yang, Jun 3, 2022
    #1
  2. TINAMCCLEARN
    TinaMcClearn Win User

    What causes "Missing or Corrupt BCD file"

    Recently my laptop blue screened with an error message that the BCD file was missing or corrupt. I recently had done Windows up dates (Windows 10) and an iTunes update. I did not mess with any particular Windows files.

    Does anyone know what causes this problem so that I may attempt to avoid it in the future?

    I have my laptop up and running, but would rather NOT have to go through the recovery steps again in the future.

    Thank you.
     
    TinaMcClearn, Jun 3, 2022
    #2
  3. VANESSA SOHTUN
    Vanessa Sohtun Win User
    Error code 0xc000000f, BCD corrupted

    Hi Andre,

    As per the description, I suggest that you follow the steps below to fix BCD

    1. Right click on the Start Menu and select Command Prompt (Admin)

    2. Here type/paste the commands listed below

    Bootrec /fixMBR

    Bootrec /fixBoot

    Bootrec /RebuildBcd

    3. Once done restart the PC and check.

    Hope this helps
     
    Vanessa Sohtun, Jun 3, 2022
    #3
  4. SALTGRASS
    Saltgrass Win User

    Windows 21H2 Update Causing BCD Corruption

    What causes "Missing or Corrupt BCD file"

    I have seen that message happen on many threads through the forums. Luckily, it has not happened to me. But why something would corrupt or alter the Boot files, I don't really know. All I can speculated is possibly the update alters the BCD store to facilitate
    a reboot for the install and ends up corrupting it.

    If it ever happens to me I am going to get a copy of the BCD store to see if something actually changed.

    Glad you got it repaired. That is the only of the three similar problems that appears to be repairable.
     
    Saltgrass, Jun 3, 2022
    #4
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Windows 21H2 Update Causing BCD Corruption

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