It acts as a global store for all boot-related options and prefs on newer Windows PCs.

Try disconnecting any drives that don’t contain an operating system.

Here are some reasons accounting for this error:

1.

the 0xc000000f error during Windows 7 startup

BCD is missing or corrupt

BCD is a database of system configurations.

The most common reason for 0xc000000f errors is that BOOTMGR cannot find BCD files.

The system file is corrupt

The 0xc000000f error can be sparked by corrupt system file on your box.

the 0xc000000f error appears during Windows 8 and Windows 10 startup

For example, the system file is working on writing critical information to theboot sectorwhen you upgrade Windows.

Next, I will introduce these solutions one by one and step by step.

Then reset your PC.

Fix the “An Operating System Wasn’t Found” Issue on Windows 11/10

Its a good way to repair the BCD data file in case its damaged or missing.

Next, I will introduce how to perform Startup Repair from the different Windows.

The following is about how to fix the 0xc000000f error on Windows 7.

choose Repair your computer

Step 1:Firstly, insert Windows setup disc into your PCsCD-ROMdrive and then reset your system.

Step 2:Press any key when you see Press any key to boot from CD or DVD.

If you are fixing with USBbootable media, set it as the first boot machine in BIOS.

Choose Startup Repair as the recovery tool

When the scanning process is finish, the repair is complete.

Then, I will introduce how to fix the 0xc000000f error on Windows 8/10.

Step 1:Firstly, insert Windows setup disc into your PCs CD-ROM drive and then cycle your setup.

Select to boot from that Windows Setup disc

Step 2:Select to boot from that Windows Setup disc.

Step 4:When the Windows Setup is loaded, tap on the Next button to get started.

In the next step, choose Repair your gear instead of clicking the Install now button.

choose Repair your computer

Step 5:Next, in the Troubleshoot page choose Advanced options to continue.

Step 6:In the Advances options, choose Startup Repair to continue.

So, it’s crucial that you rebuildMBRto fix the 0xc000000f error for a successful boot.

click Yes to enter BIOS

Rebuild MBR of MiniTool Partition Wizard helps rebuild MBR in quite simple operations even if Windows cannot boot.

That is because this partitioning program offers a bootable disc to boot computer without Windows.

MiniTool Partition Wizard is currently available for Windows XP, Vista, 7, 8,10 and so on.

enter the main interface of MiniTool Partition Wizard

As we all know, the system cannot boot after MBR damage.

After that, start your system with the bootable disk to rebuild MBR.

The free edition of MiniTool Partition Wizard doesnt provide Bootable Media Builder.

launch MiniTool Partition Wizard

Thus, you oughta purchaseMiniTool Partition WizardPro Ultimate.

Step 1:On a normally running computer, follow the tutorial to create bootable Partition Wizard.

Read this post How to Build Boot CD/DVD Discs and Boot Flash Drive with Bootable Media Builder?

rebuild MBR

Step 4:Click Launch software to launch MiniTool Partition Wizard.

Step 6:Click Apply button to apply the change.

Now test whether the error code 0xc000000f still persists.

apply the change

If it still persists, it’s possible for you to try the next solution.

you’re free to use Command Prompt to fix the error to reset your machine.

First, you should prepare a bootable CD/DVD/USB flash drive.

run command prompt

Different Windows systems have different commands when you want to use Command Prompt to fix the 0xc000000f error.

And then boot your machine from the bootable media.

Step 2:After language, time and keyboard selection, choose Repair your rig.

the commands of fixing the MBR and BCD

Step 3:choose the OS to be repaired and click Next.

Step 4:Click Command Prompt to run Command Prompt.

Step 5:Input diskpart.exe and press Enter to run as administrator.

run command prompt

Step 6:Input command bootrec/fixmbr and press Enter.

Step 7:Input command bootrec /fixboot and press Enter.

Step 8:Input command bootrec/rebuildbcd and press Enter.

the commands to fix the 0xc000000f error on Windows 8 10

Step 9:Windows will perform an automatic scan and venture to rebuild the BCD file.

Finally, start your PC.

Step 3:Choose Troubleshoot in the interface to continue.

Step 4:Click Advanced options in the interface to continue.

Step 5:Click Command Prompt to run Command Prompt.

Step 6:Input diskpart.exe and press Enter.

Step 7:Input command bootrec /fixmbr and press Enter.

Step 8:Input command bootrec /fixboot and press Enter.

Step 9:Input bootrec /scanos and press Enter.

Step 10:Input bootrec /rebuidbcd and pressEnter.

Here are 8 useful solutions to the error code 0xc000000f.