Cannot Resolve Boot Loop with "REGISTRY ERRORS" Stopcode.

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  1. Posts : 9
    Windows 10
       #1

    Cannot Resolve Boot Loop with "REGISTRY ERRORS" Stopcode.


    When I start up the computer, it goes through BIOS and then gives me the blue screen stopcode REGISTRY ERRORS and it is stuck in that loop.

    Using a copy of Windows 10 on a USB, I tried going through Repair Your System > Troubleshoot > Advanced Options. Startup Repair, System Resore, and Uninstall Updates do not work.

    From here, I tried using the Command Prompt to look at what’s going on:

    • Bootrec /rebuildBcd gave me “The requested system device cannot be found.”
    • diskpart > sel disk 0 > list vol shows volume 5 as F. It is an NTFS partition, 118 GB (my M2 drive). F was always the drive letter assigned to my hard drive when it was working normally, but from what I understand this “F” doesn’t necessarily correspond to the other “F?”
    • F: \shows me the Windows folder and everything else.
    • I thought I should try fixing the registry. I entered via cd f:\windows\system32 and then did mkdir configBak. This gave me “the media is write protected.”
    • Went back and dug more into the bootrec command and realized that I might be plugging in my USB into the wrong slot. When I changed it, now I get: 0xc000000f “The Boot configuration Data for your PC is missing or contains errors).
    • Back into the original slot and now can’t boot from UEFI USB startup option (what I was doing before).
    • Tried chkdsk F: /f. Write protected.
    • I tried clearing with list volume F > select volume F > attributes disk clear readonly > exit. Still happened.
    • Deleted MiniNT folder in registry editor to get rid of HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControl so I can write. Doesn’t fix it.
    • In command prompt, tried dism.exe /online /cleanup-image /restorehealth which gave me Error: 50 (DISM does not support servicing Windows PE with the /Online option).
    • Tried dism.exe /image:F:/Cleanup-Image /Restorehealth and got Error: 2 (Unable to access the image). Looked around, some said it was a registry error.
    • Back to registry stuff: the other day I tried running sfc /scannow so I decided to run it again on F:. Did not find any intergrity violations.
    • Also tried again (as I had previously) chkdsk F: /f /r /x but cannot run because write protected.
    • Also, when I look in f:\Windows\System32\config\Regback, the DEFAULT, SAM, SECURITY, SOFTWARE, and SYSTEM all list 0 which from what I can tell means I can’t repair these.



    Anyways, I’m at a total loss. Anyone know what I should do? Should I do a clean install and copy over my contents to an external drive or what? I’d prefer not to lose my data on that drive (luckily, I don’t have much).
      My Computer

  2. dalchina's Avatar
    Posts : 31,233
    Win 10 Pro (1903)
       #2

    • Also, when I look in f:\Windows\System32\config\Regback, the DEFAULT, SAM, SECURITY, SOFTWARE, and SYSTEM all list 0 which from what I can tell means I can’t repair these.
    That's a feature that no longer works in the last 3 Windows builds, unfortunately. The scheduled task to create the registry backup copy is there, but does nothing in 1803 or 1809.

    I'd say you'd best back up any data, if you haven't a backup copy already, and clean install.
      My Computers


  3. Posts : 38,644
    windows 10 professional version 1607 build 14393.969 64 bit
       #3

    1) Find a flash drive that you can format (> or = 4 GB)

    2) Create a bootable Kyhi boot rescue:
    Windows 10 Recovery Tools - Bootable Rescue Disk - Windows 10 Forums

    3) Backup all important files to another drive or to the cloud

    4) Make a Macrium backup image using the link on Kyhi boot rescue

    5) If a reset save files or reset save files equivalent were performed (save files, reinstall drivers and applications) would it be a viable fix?

    6) Using Kyhi boot rescue open administrative command prompt and type or copy and paste:
    7) sfc /scannow
    8) dism /online /cleanup-image /scanhealth
    9) dism /online /cleanup-image /restorehealth
    10) chkdsk /scan
    11) bcdedit /enum all
    12) bcdedit | find "osdevice"
    13) When these have completed > right click on the top bar or title bar of the administrative command prompt box > left click on edit then select all > right click on the top bar again > left click on edit then copy > paste into the thread

    14) Open disk management > by default some columns are narrow an the contents of each row are in partial view > widen each of these two columns: Status and Volume > make sure that the characters in the Status column are in full view and that none of the letters are cut off > post an image into the thread
    Disk Management - How to Post a Screenshot of | Tutorials

    15) Open administrative command prompt and copy and paste this whole command:

    Code:
    diskpart
    list disk
    list volume
    select disk 0
    detail disk
    list partition
    select partition 1
    detail partition
    select partition 2
    detail partition
    select partition 3
    detail partition
    select partition 4
    detail partition
    select partition 5
    detail partition
    select disk 1
    detail disk
    list partition
    select partition 1
    detail partition
    select partition 2
    detail partition
    select partition 3
    detail partition
    select partition 4
    detail partition
    select disk 2
    detail disk
    list partition
    select partition 1
    detail partition
    select partition 2
    detail partition
    select partition 3
    detail partition
    select partition 4
    detail partition
    select disk 3
    detail disk
    list partition
    select partition 1
    detail partition
    select partition 2
    detail partition
    select partition 3
    detail partition
    select partition 4
    detail partition
    select disk 4
    detail disk
    list partition
    select disk 5
    detail disk
    list partition
    select disk 6
    detail disk
    list partition
    exit
    16) When these have completed > right click on the top bar or title bar of the administrative command prompt box > left click on edit then select all > right click on the top bar again > left click on edit then copy > paste into the thread

    17) Run the DM and BETA log collectors and post zips into this thread:
    BSOD Crashes and Debugging - Windows 10 Forums
      My Computer


  4. Posts : 9
    Windows 10
    Thread Starter
       #4

    zbook said:
    3) Backup all important files to another drive or to the cloud
    Thank you so much for your help. I'm going through the steps and am at #3.

    I have my OS on an ADATA - XPG SX6000 128 GB M.2-2280 Solid State Drive. I also have an 850 Evo and two HDDs. Should I back these other three drives up? Or should I just disconnect them as I'm going through the process?

    I see step 14 lists a screenshot Disk Management, so I just want to make sure I include all the diagnostic info I should.

    Thanks!
      My Computer


  5. Posts : 38,644
    windows 10 professional version 1607 build 14393.969 64 bit
       #5

    The other disk can remain connected.
    When an upgrade is planned or problems related to the drives are detected the cables can be disconnected or the drives removed.

    This is information on how to update the specs in the "My Computer" section:

    System Specs - Fill in at Ten Forums | Tutorials
    In the left corner below in your post you find 'My System Specs'.
    After clicking it you can find a link a little below that says 'Update your System Spec', click on this link to get to the page where you can fill in your system specs.
    System Info - See Your System Specs - Windows 7 Help Forums

    Include PSU. cooler, case, peripherals and anything attached to the computer by wired or wireless (mouse, keyboard, headset, printer, xbox, USB wireless network card, etc.)
      My Computer


  6. Posts : 9
    Windows 10
    Thread Starter
       #6

    zbook said:
    The other disk can remain connected.
    When an upgrade is planned or problems related to the drives are detected the cables can be disconnected or the drives removed.

    This is information on how to update the specs in the "My Computer" section:

    System Specs - Fill in at Ten Forums | Tutorials
    In the left corner below in your post you find 'My System Specs'.
    After clicking it you can find a link a little below that says 'Update your System Spec', click on this link to get to the page where you can fill in your system specs.
    System Info - See Your System Specs - Windows 7 Help Forums

    Include PSU. cooler, case, peripherals and anything attached to the computer by wired or wireless (mouse, keyboard, headset, printer, xbox, USB wireless network card, etc.)
    Thank you so much for this.

    I think I may be doing something wrong here. This is what I'm doing.

    With my installation USB plugged in (the one I made before posting here) and the Kyhi USB plugged in (formatted to FAT32, included the BOOT.bats), I booted my computer, entered through my installation USB and ran both the PESE_UEFI_BOOT.bat and PESE_MBR_BOOT.bat from the command prompt. Both times it completed successfully and I see the MBR option (named "Temp") and the UEFI option (named "TempUEFI).

    When I try selecting either one of these from the "Repair Your Computer" prompt on the Windows Install screen > Use another operating system > Temp or TempUEFI, the computer reboots and gives me the following error:

    Your PC/Device needs to be repaired

    The Boot Configuration Data for your PC is missing or contains errors.

    File: \EFI\Microsoft\Boot\BCD
    Error Code: 0xc000000f

    [Tells me I need to use recovery tools]

    Press Esc for UEFI Firmware Settings.
    I then tried it without my installation USB (Kyhi USB still plugged in). My Kyhi USB has three partitions when I try to select a Boot device.
    • The first is UEFI: SanDisk U3 Cruzer Micro 8.02. Partition 1. Selecting this makes the screen go black and seems to do nothing and keep me at the "please select boot device menu" in BIOS.
    • The second is USB: SanDisk U3 Cruzer Micro 8.02. This gives me the initial Registry Error Stopcode (for whatever reason, after formatting this USB, when I plug it in, it also shows up as a CD drive in addition to the USB, so I'm wondering if it's that?)
    • The third is also listed as USB: SanDisk U3 Cruzer Micro 8.02. Selecting this takes me to the initial Registry Error Stopcode as well. Twice, it took me to the Classic-looking boot menu where I could 1)reconnect media with windows installation 2)chose language or 3)[not sure, wasn't able to get back].


    So basically, when my installation USB is plugged in, I eventually get kicked to the 0xc000000f error screen. When it's not plugged in and I'm only using the Kyhi USB, I get the REGISTRY ERROR Stopcode.

    Do you know what I'm doing wrong? Also, I updated my PC and peripherals in my profile.
      My Computer


  7. Posts : 38,644
    windows 10 professional version 1607 build 14393.969 64 bit
       #7

    Please update the progress with the steps in post #3.
      My Computer


  8. Posts : 9
    Windows 10
    Thread Starter
       #8

    Hi zbook,

    I am trying to do step 3 (back-up my files). From what I understand, I should be able to boot to the screen that's in Kyhi's first post, correct?
      My Computer


  9. Posts : 38,644
    windows 10 professional version 1607 build 14393.969 64 bit
       #9

    It may take 5 -10 minutes for it to load.
    The Kyhi boot rescue has preinstalled software.
    The interface is similar to windows xp.
    Browsers can be opened.
    Files can be viewed.
    Commands can be run on the operating system.
    Copy and paste can be performed.
    A Backup image can be made and saved to another drive.
    Once the important files are saved you can troubleshoot or clean install.
      My Computer


  10. Posts : 9
    Windows 10
    Thread Starter
       #10

    Hi,

    Sorry for the delay, I did not have access to my computer for the past week. I've edited this post because I have new info that may help. I'm not sure. I've quoted what the original post was at the bottom just so you can see.

    I tried running the Kyhi drive without the original Win 10 USB installation drive in the computer. When I did this, I saw a "Loading Files" progress bar that I've never seen before. This completed and rebooted the computer.

    After BIOS, I see the Windows icon and then I get the original Stopcode: Registry Error screen again. And this continues to loop.

    I have a feeling I'm doing something wrong. I'm not sure what it is though.

    Quoting my original post here just so you can see what I did before:
    Sorry for the delay, I did not have access to my computer for the past week. I can't seem to figure out what I am doing wrong. If I leave my computer sit for several minutes, it still seems to go into the same loop (the 0xc000000f error).

    What I do is this:
    1. With my original Win 10 installation USB plugged in, I plug in my Kyhi drive. I select the original Win 10 installation USB which brings me to the Win 10 install screen.
    2. From the Win 10 install screen, I go into the repair my system > command prompt > H: \ > PESE_MBR_BOOT.bat.
    3. Here I get the option to select the drive the PESE is on (H), give it a name, and show or not show the Metro boot loader.
    4. After I select these, it runs and it tells me to restart the computer. I exit out of the window and am still in the screen to access System Repair, Continue with Another OS, Command Prompt, etc.
    5. I choose to Continue with Another OS > select the MBR OS I created > the computer restarts.
    6. It boots back to BIOS and then displays the Recovery error message (included below) before restarting to BIOS and showing the Recovery screen again. I can't figure out how to get out of this loop.

    I went into the ISO and copied all the files onto my FAT32 partition (along with both .bat files). The same thing happens for both the MBR and UEFI .bat files.

    I feel I'm doing something wrong here but am not sure what. Do you have any ideas? Thanks!
    Message:
    Recovery

    Your PC/Device needs to be repaired

    The Boot Configuration Data for your PC is missing or contains errors.

    File: \EFI\Microsoft\Boot\BCD
    Error Code: 0xc000000f

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

    Press Esc for UEFI Firmware Settings.
      My Computer


 
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