What Is Error Code 0xc0000409 on Windows? Solutions To Fix

Error Code 0xc0000409

Users have recently reported that a specific issue defined by Error Code 0xc0000409 prevents them from upgrading or installing Windows updates. This guide will look at the events or situations that lead to this error and offer practical solutions to make things right.

What Is  Error Code 0xc0000409?

The exception code 0xc0000409 represents a failure in handling system settings, system files, registry entries, critical utilities, and so on. It may be challenging for you to determine which system component is causing the error to appear. In addition, you may be unable to decide which utility processes are responsible for it.

When you launch an application, you might get the exception Error Code 0xc0000409. This error indicates that there is a problem with your System’s operation.

The problem with Windows 10/11 Insider Preview build 19624 is the exception error code 0xc0000409. You may also receive the error message due to various issues users report in online forums. Updating the Operating System to the most recent version can resolve some system issues when the built version is the trigger.

These problems are common in Windows 10/11. We’ve covered many errors and system issues closely related to buggy operating system updates that necessitate patches and fixes. Microsoft is constantly looking for solutions when problems arise. Checking for a patch or updated version of the update can be a great way to troubleshoot various errors and system issues.

Some registry entries, corrupted files can cause these critical errors. For example, the exception error code 0xc0000409 on Windows can be overwhelming and necessitate specific interaction and setting changes. Another possibility for the Error Code 0xc0000409 is a malware attack or the consequences of such an infection. During such instances, some files or functions may be altered.

Running a tool like Reimage can repair improper installations, corrupted system files, and functions. This application can locate affected parts of the machine and assist in improving files or programs so that the System can function correctly. This option could be a troubleshooting step or a quick fix.

Changing settings or repairing functions are two other exception Error Code 0xc0000409 fixes. If the quick option isn’t working, you should try the below methods. Also, try a few to solve the problem with a specific root cause.

What Causes Windows Error Code 0xc0000409?

When you launch an application, you might get the exception Error Code 0xc0000409. This error indicates that there is a problem with your System’s operation. The following are the most common reasons:

  1. Insider Channel code prevents installation – This Error Code 0xc0000409 is frequently reported on machines running Insider builds because most builds include code that may (or may not) act as a barrier when a new update needs to be installed. In this case, performing a repair install (or clean install) would be necessary.
  2. External firewalls or security suites are preventing the installation – There have been reports of external firewalls or security suites preventing the upgrade or update from being completed. The solution, in this case, would be to disable the external antivirus and let the built-in firewall filter the external connections.
  3. Windows Update components that are corrupted or missing – Files used during Windows Update are prone to corruption. If this error is caused by file corruption, resetting the Windows Update components will most likely resolve the problem.
  4. Error code 0xc0000409 may also be caused by a known problem with Windows 10/11 Insider Preview Build 19624. Microsoft stated that they are investigating the issue of some users being unable to update this build due to error code 0xc0000409. Therefore, if you encounter this error, you should pause updating until a future fix is available.
  5. If you did not install the most recent Insider Preview Build 19624, try a Windows 10/11 repair installation.

You know what might be causing the unknown software exception 0xc0000409 error. But, do you know how to resolve this software issue?

How Do I Repair Exception Error Code 0xc0000409 in Windows?

The error code 0xc0000409 refers to a critical error in Windows 10/11 that is usually caused by a corrupted registry entry. Regardless of how daunting the error appears, overcoming it is relatively simple.

Step 1: Turn off and then on the computer.

Perhaps your computer has a stuck system process running in the background. Maybe the program you attempted to install requires a proper restart to deploy and activate its files. First, try turning off and restarting your computer to resolve error code 0xc0000409.

If you use a desktop computer, unplug it from the power strip and reconnect it after a few minutes. If your laptop has a removable battery, remove it and replace it after a minute or two.

Step 2: Run the troubleshooter for Windows Update.

Windows includes several built-in mechanisms that have the potential to resolve the issue automatically. The Windows Update troubleshooter is one of these built-in mechanisms. This utility will scan the files and dependencies associated with Windows Update and apply various repair strategies that may or may not resolve the problem.

Here’s a quick guide on how to use the Windows Update troubleshooter to fix the Error Code 0xc0000409:

  1. To open a Run window, press Windows key + R. Next, type or paste “ms-settings: Troubleshoot” and press Enter to open the Settings app’s Troubleshooting tab.
  2. If you are using Windows 7 or 8, type “control.exe/name Microsoft. Troubleshooting” instead.
  3. Click on Windows Update (under the Getup and Running Tab) in the Troubleshooting Tab and select Run the Troubleshooter.

Wait until the initial wizard identifies the source of the problem. Then, if an issue has been identified, click Apply this fix to put the repair strategy into action.

Take note: If the troubleshooter recommends multiple repair strategies, make sure you use all of them.

After executing the repair strategy, restart your machine and check to see if the problem has been fixed at the next startup. If the issue is still persist, proceed to the following method.

Step 3: Manually reset Windows Update Components.

If the first method did not work, try manually resetting the Windows Update Components. For example, following the steps below should resolve the problem if you’re getting the Error Code 0xc0000409 due to a Windows Update bug. Users in the same situation have reported that after resetting the Windows update components, they could finally complete the installation.

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Here’s a quick guide to getting started:

  1. To open a new Run box, press Windows key + R. To open an elevated Command Prompt, type “cmd” and press Ctrl + Shift + Enter.
  2. If UAC (User Account Control) prompts you, select Yes.

By running a series of commands in the elevated Command Prompt, we will stop Windows Update Services, MSI Installer, Cryptographic, and BITS services. To disable the services one by one, type or paste the following commands and press Enter after each one:

  • wuauserv net stop
  • net halt cryptSvc
  • internet stop bits
  • net shutdown msiserver

After disabling all Windows Update services, run the following command in the same elevated Command prompt to rename the Software Distribution and Catroot2 folders. As in step 2, after each Command, you must press Enter:

  • C: Windows ren
  • SoftwareDistribution SoftwareDistribution.old
  • C:WindowsSystem32catroot2 Catroot2.old ren

Let us now restart the services that were disabled in step 2. To do so, paste the following commands into your browser and press Enter after each one:

  • net begin wuauserv
  • net begin cryptSvc
  • net begin bits
  • Start server via net
  • Restart your computer after exiting the elevated Command Prompt.

Try installing an update or performing the upgrade at the next startup to see if the 0xc0000409 error has been resolved. If you’re still getting the Error Code 0xc0000409, try the following method below.

Step 4: Remove the third-party firewall.

If you use a third-party security suite, keep in mind that your security suite may be preventing the update/upgrade from taking place.

Unfortunately, simply disabling your external security suite will not allow you to determine whether the software causes the interference; the security rules will remain. However, you can decide if the antivirus is causing the issue by completely uninstalling the third-party firewall.

After that, restart your computer and rerun the update to see if the problem has been fixed at the next startup. If it fails with the same Error Code 0xc0000409, try the following method below.

Step 5: Launch System File Checker.

As previously stated, the exception code: Error Code 0xc0000409 may be caused by corrupted system files.

Launch System File Checker and Scan for and repair corrupted system files to resolve the Error Code 0xc0000409.

Now for the tutorial.

  1. Enter Command Prompt in the Windows search and select the best-matching option. Then, to proceed, right-click it and select Run as administrator.
  2. To proceed, type SFC /scannow in the command line window and press Enter.
  3. The System File Checker will begin scanning and repairing the corrupted system files. Please do not close the command line window until the message verification is finished. When it is finished, restart your PC to see if the Error Code 0xc0000409 has been resolved.

Step 6:Clean Boot

You can try performing a clean boot to resolve the error code 0xc0000409.

Now we’ll go over the specific solutions.

  1. To open the Run dialogue, press the Windows key and R together, type MSConfig in the box and click OK to continue.
  2. Go to the Service tab in the pop-up window and select Hide all Microsoft services. Then, to proceed, click Disable all.
  3. To proceed, go to the Startup tab and click Open Task Manager.
  4. Select the startup program you don’t need and click Disable in the Task Manager window.

When it is done, restart your computer to see if the error code 0xc0000409 has been resolved.

Step 7: Reinstall the software.

You can reinstall the application to resolve the unknown software exception Error Code 0xc0000409. As a result, you can uninstall the software in the Control Panel, then go to the official website to download it again. After that, restart the application to see if the error code:Error Code 0xc0000409 has been resolved.

Step 8: Restore the System

The System Restore feature’s purpose is to restore Windows to the state it was in when a specific restore point was created in the past. Running the System Restore quality can also assist you in resolving this issue by restoring deleted or good versions of corrupt system files, which are only two of the causes of this Error Code 0xc0000409 message.

Follow the steps to run System Restore:

  1. Enter System restore into the start menu.
  2. Next, click.
  3. Choose a restore point.
  4. You can also check the Show more restore points box to see all of the System’s restore points.
  5. First, click Scan for affected programs, showing which programs were installed after the restore point was created.
  6. Wait for the process to finish.

Do not interrupt the process to avoid irreversible software damage and data loss. Before you begin restoring Windows, connect your laptop to an AC adapter.

Step 9: Update your drivers manually with Device Manager.

  1. Open Device Manager by going to Search bar and typing device.
  2. In Device Manager, you should see a list of all your hardware.
  3. Right-click on any component to check for driver updates and select Update driver.
  4. You now have two options. Select the first option if you want the System to look for a driver automatically. The second is when you have already downloaded a driver and need to point it to its location.
  5. If a driver update is available, the wizard will install it automatically; otherwise, your driver is already up to date.

As previously stated, this is the most commonly used manual method for checking for driver updates in Windows 10/11.

If you don’t receive your driver updates through Windows Update, the Device Manager is the most common way to check for updates. It may take some time to check every single driver manually, but doing so can solve many problems.

If updating via Device Manager fails, try a third-party tool like driver updater. This tool allows you to update all of your outdated drivers with a single click, preventing current and future driver-related issues.

Step 10: Perform a CHKDSK.

CHKDSK (or the Check Disk command) is a DOS, OS/2, and Windows Command Prompt system tool that can check the integrity of your hard disc and repair various file system errors.

To run CHDSK from Command Prompt, follow these steps:

  1. To access the Start Menu, press the Windows key + X.
  2. To open the Command Prompt, select Search (or press S) and type cmd.
  3. Launch the Command Prompt
  4. Right-click on Command Prompt in the search results list and select Properties.
  5. Choose Run as administrator.
  6. Register as an Administrator.

When Command Prompt appears, enter the following Command:

  • C: chkdsk /f /r /x

In Command Prompt, look for the Disk command.

  • chkdsk /f C: When you use this Command, Check Disk analysis the disc and then repairs any errors it finds, assuming the disc is not in use. If the disc is in use, Check Disk displays a prompt asking if you want to schedule the disc to be checked the next time the System is restarted.
  • chkdsk /r C: When you use this option, Check Disk will detect bad sectors and recover any readable data.
  • chkdsk /x C: When you use this command parameter, Check Disk will force the volume you’re about to work on to be unmounted before the utility begins the Scan.
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Step 11: Perform a malware scan on the computer (viruses)

Malicious software may have infected your computer and damaged registry files. To resolve this issue of Error Code 0xc0000409, use antivirus software to scan your computer for malicious software and remove any discovered viruses. In addition, to avoid future threats and viruses invading your computer, make the following changes:

Do your homework before visiting websites you’ve never heard of that offer enticing promotions. Don’t open every email in your Inbox – even though Spam filters are becoming more innovative, Spam emails can still make their way into your Inbox.

Download and install programs from their official websites; do not use third-party downloaders.

Step 12: Uninstall and reinstall the Windows update.

If you see the exception error code 0xc0000409 before, during, or after updating your device’s operating System, something went wrong with the Windows update. For example, it could have been improperly downloaded, or its files were corrupted due to your unstable Internet connection at the time.

To resolve this issue, re-initialize the Windows update process by following the steps below:

  1. Turn on the computer and restart it while it is turned on
  2. An Error Code 0xc0000409 report will appear, and you will then launch the Startup Repair tool by selecting it and pressing Enter. If the repair tool is not already installed on your computer, you must install it from the Windows installation DVD. Then, insert the DVD, turn it on, and follow the on-screen instructions.
  3. When the Startup Repair tool appears, select Cancel.
  4. Select Don’t Send in the dialogue box and then View advanced recovery and support options.
  5. Locate the Command Prompt (CMD) at the bottom of the newly opened window.

Type the following commands in the Command Prompt and press enter after each one:

  • internet stop bits
  • wuauserv net stop
  • net halt appidsvc
  • net shutdown cryptsvc

Note: The steps mentioned earlier can also be completed in Safe Mode, assuming you have access to it.

Step 13: Use the Startup Repair tool to repair your computer.

Another method for resolving the error code 0xc0000409 is to use the Windows Startup Repair tool. To use this tool, follow the steps below:

  1. Please turn on the computer and restart it while it is on.
  2. An Error Code 0xc0000409 report will be displayed, and you will be prompted to run the Startup Repair tool. You must select this tool and press enter. If the repair tool is not already installed on your computer, you must install it from the Windows installation DVD. Then, insert the DVD, boot it, and continue from there.
  3. When the Startup Repair tool has finished, click Cancel.
  4. Select Don’t Send in the dialogue box and then View advanced recovery and support options.
  5. Locate the Command Prompt at the bottom of the newly opened window (CMD).
  6. To open Notepad, type %windir%system32notepad.exe and press Enter in the Command Prompt.
  7. Change the file extension from.txt to All Files in the list of files that Notepad can view.
  8. Follow this path: C:\Windows\Winsxs.
  9. Please navigate the Winsxs folder, find the pending.xml file, and copy it.
  10. Copy the file and save it in the same or a different folder if something goes wrong with the main pending.xml file.
  11. Wait for the main pending.xml file to load before proceeding.
  12. Look for the file 0000000000000000.cdf-ms.

Delete the lines that follow:

  • <Checkpoint/>
  • path=”SystemRootWinSxSFileMaps 0000000000000000.cdf-ms”/> DeleteFile
  • Source=”SystemRootWinSxSTempPendingRenamese56db1db48d4cb0199440000b01de419. 0000000000000000.cdf-ms” destination=”SystemRootWinSxSFileMa 0000000000000000.cdf-ms”

Save the modification and restart your computer.

Step 14: Carry out a repair installation.

If you’ve exhausted all the above methods without success, a reinstall is your best option. On the other hand, a proper install is inconvenient because you will lose your files and applications. Fortunately, there is a better option: a repair install will reset all Windows components that may be causing the problem while allowing you to keep your files and applications.

If you decide to do a repair install, consider using our complete guide (here) for step-by-step instructions.

  • To begin, you will need the Windows 10/11 installation media (an ISO file or a USB).
  • The installation media should be the same edition and build (or newer) as the one already on your PC. Even the language of the installation media must match the language of the Windows 10 version installed on your computer.
  • If you have a 32-bit version of Windows 10/11 installed on your device, use a 32-bit ISO. Another requirement is that there be approximately 9 GB of free space on the hard disc for the refresh process to complete successfully.
  • A repair install will not delete any of your data, but you will lose all the Windows 10/11 updates installed.
  • Before we begin, disable or uninstall any third-party antivirus software installed on your device.

Steps for performing a repair installation:

  • Open the installation media for Windows 10/11, an ISO file, or a USB drive.
  • To begin the Windows 10/11 Setup process, run setup.exe.
  • On the User Account Control window that appears, select Yes.
  • Select the Upgrade this PC now option and click Next on the Windows 10/11 Setup screen that appears.
  • You will see Windows getting ready, with a percentage meter indicating progress.
  • On the next page that appears, click on Download and install updates. Next, click.
  • The Windows 10/11 Setup will continue, and your computer will restart during the process.
  • For obvious reasons, accept the notices and license terms.
  • Click Install on the Ready to install page that appears.
  • Select Install Windows 10/11 Home and Keep personal files and apps.
  • You will be rapidly to log in once the repair installation is complete.

Follow the on-screen instructions to configure time zones, current times, etc.

That’s all. Your System is ready for a fresh Windows 10/11, hopefully free of all errors from the previous installation.


Corrupt system files, bad updates, an overactive firewall, faulty apps, and other factors can all cause the exception error code 0xc0000409. It can be challenging to identify the true culprit, so it is best to go through the steps one by one until you find a solution that works for you. If all else fails, you can perform a repair installation of the operating System to ensure that you begin with a clean slate and no errors.