Fatal Error C0000034 Applying Update Operation” I’m pretty sure you’re here because of this message you received while updating your Windows OS. It’s not just you who has run into this error. 

A lot of users have reported getting this error too. Whatever might be the reason behind this, you don’t need to worry. Here, you’ll learn everything you need to know about Fatal Error C0000034 to successfully get rid of it.

Fatal Error C0000034 usually happens when you’re installing an update on your Windows OS. After installing a service pack, your computer should restart but instead of restarting, it shuts down. 

That is what Fatal Error C0000034  means i.e, Instead of restarting after a service pack installation, your system shuts down.

How to Fix Fatal Error C0000034 Applying Update Operation?

Updates are really important because they provide you with lots of benefits and new features that really help improve the user experience. Windows releases updates once in a while that can be really significant. 

But errors like Fatal Error C0000034 cause a lot of annoyance. You’d want to fix these as soon as possible because errors like these can be a real burden with time. Turn off your antivirus and firewall and then follow the below-mentioned fixes to get rid of this issue:

Run Windows Update Troubleshooter

Windows helps users fix issues related to the system without any professional’s help by providing them a special built-in tool called Windows troubleshooter. Windows troubleshooter lets users scan for and fix errors in their system. Its update troubleshooter helps with update-related errors and such. Follow these steps to run a scan:

–Go to Settings and then Update & Security.

–On the left pane, find and click on Troubleshoot.

–Now choose Windows Troubleshoot and follow the on-screen instructions.

Your problem will be diagnosed and it’ll suggest a suitable solution

Launch Startup Repair

–First, restart your PC and again reboot when it’s starting up.

–Now you’ll see an error report and will be prompted to “Launch Startup Repair“. 

 If you don’t have this program installed on your computer, use the installation disc of your Windows OS. Boot from the CD and resume the process from there.

–Click cancel once the Startup Repair runs.

–A dialogue box shows up when you click cancel. Click don’t send and open the hyperlink “View advanced options for recovery and support.”

–Find the Command Prompt in the new window

–In the command prompt, type %windir%system32notepad.exe and hit enter

–A notepad will open now. In notepad, go to File and click Open

–Scroll to the list of files that Notepad views and change it from .txt to All Files

–In the file explorer, follow this path: C:\\Windows\Winsxs (or whichever drive you installed your system on)

–Search for the pending.xml file inside the Winsxs folder and copy it

–Paste it on the same folder as a backup if something goes wrong

–Open the original pending.xml

–Press Ctrl + F and search for “0000000000000000.cdf-ms

–Delete the following text


<DeleteFile path=”SystemRootWinSxSFileMaps_0000000000000000.cdf-ms”/>

<MoveFile source=”SystemRootWinSxSTempPendingRenamese56db1db48d4cb0199440000b01de419._0000000000000000.cdf-ms” destination=”SystemRootWinSxSFileMa_0000000000000000.cdf-ms”/>

–Save the file, close the command prompt and then restart your computer

  • Clean Boot Your Computer

–Search your computer for System Configuration and choose the best option.

–Go to the Services tab and check on Hide all Microsoft services and then Disable all.

–Now scroll to the Startup tab and click on Open Task Manager.

–Check on select all items and Click Disable.

–Close the Task Manager and restart your computer.


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