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Fix a Boot Configuration Data File is Missing Error 0xc0000034

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Windows Failed to start with startup Error like YOUR PC NEED TO BE REPAIRED boot configuration data file is missing some required information error 0xc0000034 ? The main cause of this problem is The Boot Configuration Data file is missing. Mostly This error occur at startup and completely prevents you from accessing windows. The full Message will be like :

Your PC Needs to be Repaired.

The Boot Configuration Data File is Missing Some Required Information.

File:\BCD

Error Code: 0xc0000034

Basically, This error appears when boot loader files are missing or corrupt. There are several things that can corrupt or damage boot loader files, Such as third party software and viruses malware infection etc.

Fix Error 0xc0000034 Boot Configuration Data File is Missing

After understand About this boot configuration data file is missing some required information error 0xc0000034. And Reason behind this error lets check the troubleshooting steps. As this startup error completely prevents you from accessing windows. We need to Access Advanced option to fix this startup problem.




Start with Basic solution remove all external devices and start windows normally. If there is no more startup error then If any external device cause the issue. To identify the problematic device attach one by one and restart windows every time. Check after attach which device the problem cause.

Access Advanced option

To access advanced option we need to boot form an installation media, if you don’t have then create one fallowing link. When you are ready change BISO setup to Boot form installation media. Then skip the first screen and on next screen click on Repair computer. Now click on Troubleshooting then select Advanced options. This will Represent the screen As shown bellow image. Where you can access various troubleshooting tools such as startup repair, ( To fix startup problems which prevent windows start ). Startup Settings to Access Safe mode, Disable Various startup settings etc. Access advanced command prompt to fix MBR records etc.

Windows Advanced Options
Windows Advanced Options

Preform Startup Repair

When you are on Advanced options first perform Startup Repair, And let windows to check and fix startup problems itself. To do this click on Startup Repair, this will restart windows and start diagnostic process. Analyze the various settings, configuration options, and system files Specially look for :




  1. Missing/corrupt/incompatible drivers
  2. Missing/corrupt system files
  3. Missing/corrupt boot configuration settings
  4. Corrupt registry settings
  5. Corrupt disk metadata (master boot record, partition table, or boot sector)
  6. Problematic update installation

Wait until complete the Startup Repair diagnostic process, After complete that this will Restart and start windows normally If any startup application, corrupted driver, system files, registry etc cause the issue. Or If startup repair fails or Unable to fix them Again windows failed to start with boot configuration data file is missing some required information error code 0xc0000034 fallow next solution.

Repair Boot Configuration File

As discussed before the main reason behind this Boot Configuration Data File is Missing Error 0xc0000034 is The Boot Configuration Data file is missing or corrupted. Perform Bellow steps to Repair Boot Configuration file manually.

To Do this access advanced options, By boot from installation media -> skip the first screen -> on next screen click on Repair Your Computer > Troubleshoot > Advanced Options like before. Here on Advanced options Choose Command Prompt, And perform bellow commands one by one.

Bootrec /fixmbr

Bootrec /fixboot

Bootrec /scanos

Bootrec /rebuildbcd

fix bootrec Errors
fix bootrec Errors

Now Type command chkdsk /f /r to scan and repair Disk drive Errors. After complete the process simply Restart widnows and check This time windos start normally without any Startup Error like Boot Configuration Data File is Missing Error 0xc0000034 etc.

Reset Windows

If above methods failed to fix Boot Configuration Data File is Missing error then Try to reset the Windows. it is one of the most working ways to get rid of this error. However, As you can’t access windows, you will need to reset windows from bootable media.




First boot form installation media like before you done. Skip the first screen and click on Repair your computer  Troubleshoot and select Reset option. Then choose the option Keep files option and fallow on screen instractions To reset windows.

Reset windows
Reset windows

These are some most applicable solutions to fix Boot Configuration Data File is Missing Error 0xc0000034 applicable on all windows 10 and 8.1 computers. I hope after apply above steps your problem get resolved, Still have any query, suggestion or face any difficulty while apply these steps feel free to discuss on comments bellow. Also Read Fix error status 0xc000012f Bad Image Error on Windows 10.

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