BlinitializeLibrary Failed 0xc00000bb Boot Error Fix

In my experience, fixing the “BlinitializeLibrary Failed 0xc00000bb” boot error can be a frustrating task.

Preparing for Troubleshooting

To prepare for troubleshooting the “BlinitializeLibrary Failed 0xc00000bb” boot error, follow these steps:

1. Check the power source: Ensure that your computer is receiving power and that there are no issues with the power supply.

2. Access the BIOS: Restart your computer and access the BIOS settings to check if there are any configuration issues causing the boot error.

3. Use a boot disk: Create a bootable USB flash drive with a Windows installation or recovery tool to troubleshoot and fix the error.

4. Check the Windows Registry: Use the recovery tool to access and repair any corrupted registry entries that may be causing the boot error.

5. Repair the Master Boot Record (MBR): Use the recovery tool to fix any issues with the MBR, which could be causing the error.

Disabling Secure Boot

To fix the “BlinitializeLibrary Failed 0xc00000bb” boot error, you may need to disable Secure Boot on your system. Secure Boot is a feature in UEFI firmware that ensures only trusted software is run during the boot process.

Here’s how to disable Secure Boot:

1. Restart your computer and enter the UEFI firmware settings. This is usually done by pressing a specific key during the boot process, such as F2 or Del.

2. Navigate to the “Secure Boot” option in the settings menu.

3. Disable Secure Boot by changing the setting to “Disabled” or a similar option.

4. Save the changes and exit the UEFI firmware settings.

5. Restart your computer and check if the “BlinitializeLibrary Failed 0xc00000bb” boot error is resolved.

Disabling Secure Boot may allow your system to boot successfully without encountering the error message.

Repairing Boot Configuration

  • Boot into Safe Mode
    • Restart your computer and continuously press F8 until the Advanced Boot Options menu appears.
    • Select Safe Mode and press Enter.
  • Run System File Checker
    • Open Command Prompt as an administrator by searching for “cmd” in the Start menu, right-clicking on Command Prompt, and selecting “Run as administrator.”
    • Type sfc /scannow and press Enter to scan and repair any corrupted system files.
  • Use Automatic Repair
    • Insert your Windows installation media (USB or DVD) and boot from it.
    • Select your language and keyboard layout and click on “Repair your computer.”
    • Choose Troubleshoot, Advanced options, and then Automatic Repair to let Windows attempt to fix the boot configuration error.
  • Rebuild the Boot Configuration Data (BCD)
    • Open Command Prompt as an administrator.
    • Type the following commands:
      • bootrec /scanos
      • bootrec /rebuildbcd
      • bootrec /fixmbr
      • bootrec /fixboot

Adjusting System Settings in Safe Mode

In Safe Mode, adjusting system settings can help resolve the BlinitializeLibrary Failed 0xc00000bb boot error. To access Safe Mode, restart your computer and press F8 repeatedly before the Windows logo appears. Once in Safe Mode, go to the Start menu and type “msconfig” in the search bar. Press Enter to open the System Configuration window.

Navigate to the Boot tab and check the box next to “Safe boot.” Select the Minimal option and click Apply followed by OK. Restart your computer to boot into Safe Mode with the adjusted system settings.

In Safe Mode, you can attempt to fix the boot error by running a System File Checker scan. Open the Command Prompt as an administrator and type “sfc /scannow” before pressing Enter. Wait for the scan to complete and follow any on-screen instructions if prompted.

If the issue persists, consider seeking further assistance from a professional or referring to additional troubleshooting guides specific to your operating system.

Performing a Windows Repair Install

To perform a Windows Repair Install and fix the BlinitializeLibrary Failed 0xc00000bb Boot Error, follow these steps:

1. Create a Windows 10 boot disk on a USB flash drive.

2. Insert the boot disk into your computer and restart it.

3. Boot from the USB flash drive and select your preferred language and keyboard settings.

4. Click on “Install Now” and then select “Repair your computer.”

5. Choose “Troubleshoot” and then “Advanced options.”

6. Select “Startup Repair” and follow the on-screen instructions to repair your Windows installation.

7. Once the repair is complete, restart your computer and check if the issue has been resolved.


How do I fix error 0xc00000bb?

To fix error 0xc00000bb, you can try enabling 4G Decoding, disabling Secure Boot, modifying the Windows Registry in Safe Mode, and fixing MBR and rebuilding BCD.

What is error code 0xc0000bb?

Error code 0xc00000bb, often related to the BlInitializeLibrary failing, typically indicates a problem with the motherboard BIOS. This error may occur if the BIOS settings have been reset to default values. Making incorrect changes to the BIOS/CMOS can lead to serious computer issues.

Which problem occurs because the boot firmware on the computer generates lots of memory fragmentation?

The problem that occurs because the boot firmware on the computer generates lots of memory fragmentation is the “BlInitializeLibrary failed XXX” error due to the memory descriptor count exceeding the set limit.

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