How to Fix the Exception Code 0xc0000409 Error Windows 10

What Causes the Error 0xc0000409?

When you launch an application, you may encounter an exception error 0xc0000409. This error means that there is a malfunction in your system operation. The common reasons always include following:

• The incorrect or failed installation of application that may have left invalid entries in your Windows registry;
• The virus or malware attack;
• The improper system shutdown;
• Corrupted or deleted system files.

Having known what may cause the unknown software exception 0xc0000409 error. Do you know how to fix this software error?

Therefore, in the following section, we will show you the solutions to fix this error code 0xc0000409.

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How to Fix the Exception Code 0xc0000409 Error?

In this section, we will show you how to solve the software error 0xc0000409.

Solution 1. Run System File Checker

As we have mentioned in the above part, the exception code: 0xc0000409 may be caused by the corrupted system files.

So, in order to fix the error, you can run System File Checker to scan and fix the corrupted system files.

Now, here is the tutorial.

Step 1: Type Command Prompt in the search box of Windows and choose the best-matched one. Then right-click it to choose Run as administrator to continue.

Step 2: In the command line window, type the command sfc /scannow and hit Enter to continue.

Then the System File Checker will begin to scan and fix the corrupted system files. Please do not close the command line window until you see the message verification 100% complete. When it is finished, reboot your computer and check whether the error 0xc0000409 is solved.

Related article: Quickly Fix – SFC Scannow Not Working (Focus on 2 Cases)

Solution 2. Perform a Clean Boot

In order to fix the error code 0xc0000409, you can try performing a clean boot.

Now, we will show you the detailed tutorial.

Step 1: Press Windows key and R key together to open Run dialog, then type msconfig in the box and click OK to continue.

Step 2: In the pop-up window, go to the Service tab and check the option Hide all Microsoft services. Then click Disable all to continue.

Step 3: Then navigate to the Startup tab and click Open Task Manager to continue.

Step 4: In the Task Manager window, select the startup program you do not need and click Disable.

When it is finished, reboot your computer and check whether the error code 0xc0000409 is solved.

Solution 3. Reinstall the Application

To fix the unknown software exception 0xc0000409 error, you can choose to reinstall the application.

Thus, you can go to the Control Panel to uninstall the software first, then go to the official website to download it again. After that, launch the application again and check whether the error code: 0xc0000409 is solved.

Solution 4. Perform System Restore

There is an available solution for you. The solution can only be applied when you have created a system restore point before. If you don’t have the restore point, you can apply the above solutions.

Now, here is the tutorial.

Step 1: Type create a restore point in the search box of Windows and choose it to enter the System Restore point window.

Step 2: In this window, choose System Restore… to continue.

Step 3: Next, click Next to continue.

Step 4: Select the restore point and click Next to continue.

Step 5: Then confirm the restore settings and click Finish to continue.

After that, the restore process will begin and don’t interrupt the process until it is finished.

When it is finished, reboot your computer and check whether the unknown software exception 0xc0000409 is solved.

Final Words

In conclusion, this post has introduced what causes the software exception code: 0xc0000409 and also has demonstrated 4 ways to fix this error. If you have encountered the same error, try these solutions.