DRIVER_VERIFIER_DETECTED_VIOLATION (0xC4)

Question

Hello, I have HP Victus. I recently ran verifier.exe in Windows 11 as I am facing some driver issues. After restarting it is stuck in a restart loop and not going further from advanced options. Not even able to access the command prompt due to the BitLocker key and unable to find the BitLocker key.

How to resolve this?

Answer 1

1

Try accessing Command Prompt in the Recovery Environment using this process to disable Driver Verifier:

Start your PC, just as Windows attempts to load (spinning dots), press and hold Power Button for 5 - 10 seconds to perform a Hard Shut Down

Do this twice

On the third start Windows will boot into the Recovery Environment and from there you can access System Repair, Safe Mode, Command Prompt... etc.

Please try each option one at a time, then see if Windows will boot.

Go to Troubleshoot - Advanced Option - Command Prompt

Then run these sto commands and when they complete, restart your PC.

verifier /reset

verifier /bootmode resetonbootfail

2

If your drive is encrypted with Bitlocker, the only place the Bitlocker Recovery key is automatically stored is on the associated Microsoft account on the link below, be sure to check any Microsoft account that may have been used on the PC and also any work or school account that may be linked to the PC.

https://account.microsoft.com/devices/recoverykey

Answer 2

If your HP Victus is stuck in a restart loop after running verifier.exe, it indicates that Driver Verifier has detected a violation, which typically results in a bug check (in this case, 0xC4). Since you are unable to access the command prompt due to BitLocker, you will need to recover your BitLocker key to proceed with troubleshooting.

Here are some steps you can take:

1. Recover BitLocker Key: You will need to find your BitLocker recovery key. This key is usually stored in one of the following locations:
   • Your Microsoft account (if you linked it to your device).
   • A printed copy you may have saved.
   • A USB drive if you saved it there.
   • In your organization's IT department if the device is managed by a workplace.
2. Access Recovery Environment: Once you have the BitLocker key, you can enter it when prompted in the recovery environment to unlock your drive.
3. Disable Driver Verifier: After unlocking the drive, you can disable Driver Verifier. You may need to boot into Safe Mode to do this:
   • Restart your computer and repeatedly press the F8 key (or Shift + F8) during boot to access the Advanced Boot Options.
   • Select Safe Mode.
   • Once in Safe Mode, open Command Prompt and run the command: verifier /reset to disable Driver Verifier.
4. Reboot: Restart your computer normally after disabling Driver Verifier.

If you continue to experience issues, you may need to consider restoring your system to a previous state or reinstalling Windows if necessary.

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References:

• Debug Driver Verifier violations
• Advanced troubleshooting using Driver Verifier