Fix Error Boot Configuration Data File Is Missing

boot configuration data is missing

Have you ever got this error message that the Boot Configuration Data file is missing some required information when booting your computer? Here is a case:

My ASUS laptop with Windows 10 installed on used to work normally. However, it’s caught in a blue screen suddenly with an error informing the Boot Configuration Data file is missing some required information when I booted it. The error code is 0xc0000034. How can I do to make it boot successfully again? Any suggestion is appreciated.

Boot Configuration Data (short as BCD), a database, is used to load and run operating system. If some required information of it gets lost, your computer can’t boot successfully. Some Windows users maybe encountered this issue before. It’s troublesome.

Here is good news for you – the data saved in computer will not get lost due to this case, and you can fix the error in Windows 10. Then, I’ll show you how to realize it with two parts.

Part 1. Recover Data on BCD Missing Windows

Don’t need to worry about data loss if you get the 0xc0000034 error message when booting Windows 10/8/7. You can recover data from the BCD missing Windows computer by using a professional file recovery program.

recovery program

MiniTool Power Data Recovery is a nice choice. Developed by a MiniTool Solution Ltd. based in Canada, it offers MiniTool Power Data Recovery Bootable to enable you rescue data from BCD missing Windows effectively.

Here is detailed guide on how to do it.

Step 1: Download and install MiniTool Power Data Recovery on another healthy computer.

Step 2: Run it to get the main interface. Click the Bootable Media on the bottom left. Follow the instruction to create a bootable CD/ DVD or USB drive.

Step 3: Boot the target computer (the BCD is missing) with the MiniTool bootable media and enter the MiniTool PE Loader interface.

Loader interface

Step 4: Select MiniTool Power Data Recovery to go to the main interface.

Step 5: Choose This PC module and select the target drive to recover by clicking Scan.

clicking Scan

Step 6: Choose all wanted files and click Save. Select a safe place to store recovered files. As the current computer can’t boot normally, you’d better save them to a connecting external device.

Part 2. Fix Boot Configuration Data File Missing Error

When you boot a Windows computer, it will check all necessary configuration files to make a normal startup. So, if you receive the error message that the Boot Configuration Data file is missing, it means you failed to boot your computer.

As a result, you are caught in the Blue Screen of Death (BSOD) with the error code 0xc0000034. But there’s no need to worry. Here, we’d like to share several practical methods to fix the BCD missing error.

Solution 1. Run Automatic Repair

Firstly, you can try the recovery tool to repair Windows installation. Now, follow these steps:

① Plug in the Windows bootable installation disk and restart computer.

② Press any key to continue when Press any key to boot from CD or DVD interface prompts.

③ Select the language preferences and click Next.

④ Click Repair your computerTroubleshoot > Automatic Repair.

⑤ Wait for a while until the automatic repair completes.

Automatic Repair

After that, restart Windows computer to see if the 0xc0000034 error still appears. If yes, just move on to the next solution.

Solution 2. Reboot from Recovery Disk

If you made a recovery disk in advance, it will be very easy to solve this problem.

① Plug the recovery disk (CD or USB) and press Ctrl + Alt + Delete to restart your computer.

② When entering the starting process, press F12 key to boot from the recovery disk.

③ Choose Windows repair and follow the onscreen guide to boot into computer.

Solution 3. Rebuild BCD with Bootrec.exe Tool

If the previous methods don’t work, try rebuilding BCD with Bootrec.exe tool in the Windows Recovery Environment. You can finish it in several steps.

① Boot your computer from the Windows bootable drive.

② Select language preferences and click Next.

③ Then, press Shift + F10 to run Command Prompt.

④ Input these commands. Press Enter after each one.

bootrec.exe /Rebuildbcd > bootrec.exe /Rebuildbcd > bootrec.exe /Fixboot


⑤ If the commands above fail, please type these ones:

bcdedit /export C:\BCD_Backup > c: > cd boot > attrib bcd -s -h –r > ren c:\boot\bcd bcd.old > bootrec /RebuildBcd

⑥ Input exit and press Enter to quit the Command Prompt.

Solution 4. Set the Correct Partition as Active

According to some users’ report, changing and setting the correct partition as active is helpful when encounter the error that The Boot Configuration Data file is missing some required information appears, because setting a wrong partition as active may lead to this error.

MiniTool Partition Wizard, an excellent partition manager, allows you to set partition as active with ease quickly. Have a look at how to do it.

① Download and install this program on a healthy computer.

② Click Bootable Media on the top right to open the Bootable Media Builder. Follow the tutorial to create a bootable disc with CD, DVD or USB flash drive.

③ Boot the problematic Windows with the bootable disc.

④ After booting successfully, you’ll come to the main interface of this program. Select the system partition (usually partition C) and click Set Active.

Bootable Media

⑤ Then, click Apply button on the left top to make the changes effective.

After finishing these steps, restart your computer to see if the error disappears.

Solution 5. Create BCD

Try creating BCD to get rid of the error code: 0xc0000034 and blue screen. Follow this tutorial to start it.

① Boot computer from the Windows bootable drive.

② Select language preferences and click Next.

③ Click Repair your computer > Troubleshoot > Command Prompt.

④ Type this command: bcdboot c:\windows and press Enter.

⑤ In this way, the BCD boot file will be copied from the existing Windows partition to motherboard partition. At the same time, you’ve created the BCD successfully.

⑥ Restart computer to check whether the error has been solved or not.

Solution 6. Restore Computer to Factory Settings

If all the methods mentioned above can’t help you out, this is the last way – restoring your computer to factory setting. However, you will lose all data on computer. So, think twice before taking this action. Make sure you have the available backups for your computer.  

Final Words

Still worry about data loss due to the error that Boot Configuration Data file is missing in Windows 10? With this article, you can acquire some easy and safe methods to fix this error and reboot your computer successfully.

Hope these solutions are helpful to deal with this error. However, they are not always able to repair all boot failure issues. If you have any suggestions or ideas about this topic, please share with us in the comment area below.

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