Troubleshooting Fatal Error C0000034 while Applying Windows Update

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There are many improvements and benefits that you can take advantage of after you update your Windows operating system. However, it can be annoying when you encounter errors that prevent you from completing the update.

If you encounter such errors on your computer, don’t worry because we have several solutions for you. We will help you to solve one of such problems, namely the error “C0000034 update operation application”. So, if you want to find the right solution for this error, keep reading this article.

What is the cause of fatal error C0000034?

Faulty Windows Update component: In some cases, the system may fail to boot because a problem related to Windows Update was detected during the initial check. In this case, you can successfully boot without restoring your Windows installation by opening the MSconfig utility before the boot sequence and disabling the Windows Update service.

Corrupted Windows Update files: Some users who encountered a similar problem, confirmed that they were able to solve it after successively running the System File Checker and the Maintenance and Administration Deployment Image Checker (through the Recovery menu).

Faulty data blocks: this is a fairly common problem of common hard drives that start to fail. If the computer won’t boot after a failed Windows update, you should run a CHKDSK scan and replace the corrupted data sectors with unused counterparts.

Damaged system files: If you encounter corrupted system files and none of the other solutions get you around the error, the only acceptable solution is to upgrade all Windows components using a procedure such as a clean install or a restore installation.

Unrecognized third-party conflict: Some users encounter this problem after updating an existing driver or replacing a generic driver with an appropriate third-party product. In this case, you can use System Restore to restore your computer to a state where this problem did not occur.

How to resolve the fatal error C0000034?



Updated: November 2024

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Launch the DISM command

Since error C0000034 is a fatal error, you should also use the DISM command to check for system errors. This way you can restore the integrity of the affected system files.

  1. Type cmd in the Windows search bar, right-click on the command line, and run it as administrator.
  2. Enter the following commands and press Enter:
    DISM /online /Cleanup-Image / CheckHealth
    DISM /online /cleanup-image / ScanHealth
    DISM /online /clean-image /RestoreHealth
  3. Wait for the process to complete (it may take up to 20 minutes) and then reboot the computer.

Launch the Windows Update troubleshooter

Go to Settings -> Update and Security -> Troubleshooter -> select Windows Update Troubleshooter -> run it.

Windows 10 allows users to quickly resolve technical issues affecting the operating system, including update issues and errors. Try running the built-in Windows Update Troubleshooter to fix error C0000034.

Restart your computer

  1. Go to Search > enter system settings > press Enter
  2. On the Services tab > check the Hide all Microsoft services checkbox > click Disable all.
  3. On the Startup tab, > click Open Task Manager.
  4. On the Task Manager tab, Start > select All Items > click Disable.
  5. Close Task Manager > restart your computer.
  6. Try reinstalling any updates that are causing problems.

Disable the antivirus and firewall

If you rely on Windows Defender and Windows Firewall protection, disable them both.

  1. Go to Start -> type “Firewall” -> double-click Windows Firewall.
  2. Enable or disable Windows Firewall -> check the two options that allow you to disable the firewall -> click OK.

Update errors caused by your antivirus or firewall are more common than you think. So the quickest solution is to disable your antivirus program and firewall, reboot your computer, and then try to install the updates that caused error C0000034.



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Frequently Asked Questions

  1. Run Startup Repair.
  2. Reboot your computer.
  3. Run the Windows Update troubleshooter.
  4. Update Windows Update components.
  5. Turn off your antivirus program and your firewall.
  6. Run the DISM command.

  1. Update your software.
  2. Update the drivers.
  3. Uninstall any recently installed software.
  4. Restore Windows to a previous state.
  5. Disable unnecessary background programs.
  6. Remove temporary files.
  7. Free up space on your hard drive.

  1. Choose a version of Windows.
  2. Run the Scanreg command.
  3. Replace the corrupted system files.
  4. Restore the registry.
  5. Run an SFC scan.
  6. Uninstall any recently installed applications or drivers.
  7. Check the hardware.

  1. Start the rescue process.
  2. Reboot your computer.
  3. Run the Windows Update troubleshooter.
  4. Update your Windows Update components.
  5. Turn off your antivirus program and your firewall.
  6. Run the DISM command.