How to Fix ntdll.dll crash error on Windows 10?

In this guide, I will walk you through the steps to fix the ntdll.dll crash error in Windows. Keep reading!

The ntdll.dll file is very essential for the working of Windows OS. Many Windows users are facing the ntdll.dll crash error. However, the ntdll.dll crash error in Windows 10 and another operating system occurs due to the corrupt or damage of the ntdll.dll file. You need to go through what is ntdll.dll to know more about that specific dynamic link library.

What is ntdll.dll?

The ntdll.dll is the file present in your Windows operating system folder. It is a Dynamic-link library. While installing Windows operating system, the ntdll.dll files also get into your system. You can see the ntdll.dll file in the system 32 folders of the computer. You require ntdll.dll for the normal functioning of the Windows OS (operating system). The ntdll.dll file is useful for the multiple programs to run, so you may come across the ntdll.dll error.

Ntdll.dll error is common to occur in any of the Windows OS (Operating System). You can see the ntdll.dll crash error on any of the Windows OS. To rectify the issue, you need to know the reasons for the issue and the solutions to the issues.

You need not worry much all the information regarding the causes and the solutions to rectify the ntdll.dll error are gathered. Continue reading to know more about the issue and the solutions related to it.

Why ntdll.dll crash error occurs on Windows?

You can come across the ntdll.dll error in many ways. To know the specific reasons go through the below points.

Hard drive got some issues.
Corrupt or damage ntdll.dll file.
Corrupt user account.
Program using ntdll.dll file goes misconfigured.
Virus or Malware infection.

Various error messages for ntdll.dll crash error

You may come across the following error messages due to the issue in the ntdll.dll file.

STOP: C000021 HARD ERROR UNKNOWN
The program may have issues while starting due to the ntdll.dll error.
One more issue like the program takes too much time to start or to stop the program.
The hardware fault occurs in a rare case.
NTDLL.DLL module fault
An unhandled exception occurred at ntdll.dll

Related: How to Fix d3dx9_42.dll Missing or Not Found Error?

How to Fix ntdll.dll crash error on Windows?

No two computers will have similar issues. One solution may for the other, but there is no rule that it should work for your system. You have to try all the solutions one by one down the list provided here, if nothing works, let us know the issue in the comments section.

Reboot System

A simple restart of your system may fix the issue. In some cases, the improper start of the system causes the inappropriate working of the ntdll.dll file and it results in showing the error. You need to restart your system to fix the ntdll.dll crash error. However, you can see the restart button from the start button for a lower version of Windows. You will have power options on the right sidebar in Windows 10.

Re-Register DLL file

You can follow the below steps to re-register the ntdll.dll file that may help you to fix the ntdll.dll error.

You need to open a command prompt with administrator powers. To open it you need to go to the start button and search for command prompt. Right-click on the option as shown in the figure and choose run as administrator.

Type following commands in the respective command prompt window and press on the enter button after each command.

Regsvr32.exe /u ntdll.dll

Regsvr32.exe ntdll.dll

After the successful execution of the commands, you need to close all the windows. Now, try to open the program that caused the error, hope you can run without any more errors.

Replace ntdll.dll file

You need to download the respective ntdll.dll file from the browser and need to place it in the specific folder to fix the ntdll.dll error.

You have to open the browser and search with keyword ntdll.dll download. From the multiple sites of options, you need to open a trustworthy site.

Download the ntdll.dll file into your system according to your OS bit size.
Go to the folder where your download is present and copy the file.

Now, navigate to computer > Windows > system32.
Here, search for the ntdll.dll file and paste the file in the respective folder.

Restart your system.

Run the Program Compatibility Troubleshooter

If you encounter this error while opening or closing any program then it can be fixed by running the Program Compatibility Troubleshooter. It is to check the compatibility of that specific program with the current Windows OS.

Right-click on the shortcut of the problematic program and select Properties.

Click on the Compatibility tab and then click Run compatibility troubleshooter.

Click on Try recommended settings to test-run program using recommended compatibility settings and follow the on-screen instructions.

If it doesn’t work for you, then try to Run compatibility troubleshooter again and select the second option to choose compatibility settings based on the problems you encounter.
If the problem exists then manually adjust the following settings and select OK once done.

Compatibility mode: If your program is not compatible with your current Windows OS, you may encounter the ntdll.dll crash error. Click on the drop-down menu to select the previous version of the Windows OS to test run the program.
Run this program as an administrator: If the administrator privileges are not given to the program, it may crash with the ntdll.dll error. To fix the issue try running the program with the administrator privileges.

Disable the Problematic Add-Ons of Internet Explorer

Some users reported that some of the add-ons of Internet Explorer are creating this issue. To fix the error, try to disable some add-ons of Internet Explorer. To do so follow these steps:

Step 1: Open your Internet Explorer browser. Click the gear button from the upper-right corner and select Manage add-ons from the drop-down list.

Step 2: You will get the list for all the add-ons of your Internet Explorer. Select the first add-on and click Disable.

Step 3: Check for the error. If the error still exists then repeat Step 2 to disable the add-ons one by one.

Step 4: Doing so you will be able to find out the problematic add-on and you need to keep it disabled or delete it.

Reinstall the problematic program

If you encounter the while opening or closing a certain program, or when that program is running, then reinstall that problematic program to fix the ntdll.dll error. To do so follow these steps:

Press the Windows+R to open the Run box. Type control and press Enter to open Control Panel.

View Control Panel by Category and select Uninstall a program.

Right-click on your problematic program and select Uninstall.

Restart your PC and then visit the official website to download the installation package of the problematic program.
Install and run the program to check the ntdll.dll error.

Run SFC Scan

Try to run the SFC scan to fix the error. To do so follow these steps:

Press the Windows+R to open the Run dialog box. Type cmd and then press Ctrl+Shift+Enter to run the Command Prompt as administrator. Click Yes to run the Command Prompt when it seeks permission.

Now type the command sfc /scannow and press Enter.

When the restore operation is completed, close the Command Prompt.
Restart the computer and check for the error.

Run the DISM tool

Try to run the DISM tool to fix the error. To do so follow these steps:

Press the Windows+R to open the Run dialog box. Type cmd and then press Ctrl+Shift+Enter to run the Command Prompt as administrator. Click Yes to run the Command Prompt when it seeks permission.

Now type the following commands one by one and press Enter: Dism /Online /Cleanup-Image /ScanHealth

Dism /Online /Cleanup-Image /CheckHealth

Dism /Online /Cleanup-Image /RestoreHealth

When the restore operation is completed, close the Command Prompt.

Update Windows

You have to go to the Windows update window to update the system and to get the missing file ntdll.dll.

Click on the start button. Search for Windows update, click on it.

On the new open window, click on the button check for Windows Updates.

After completion of checking, you will get some installations nothing, but they update your system.
Once completion of installations, and restart your system.

Note: You require a speedy internet connection to make the search and installations of the system updates easy.

Complete Windows Installation

If any of the above ways didn’t help you out to fix the ndll.dll error. You need to go with the clean Windows installation. It is somewhat typical, who don’t know how to do it, as we all as the experienced person may have issues as it deletes all your data. You need to initially safeguard the complete data of your computer in a safe place before starting the Windows installation process.

First, you need to have the Genuine Windows OS disk to start the process.

You have to follow the on-screen instructions to complete the installation process. Hopefully, the experienced person should do the installation to avoid further issues.
You need to install the programs later on the Windows installation.
For sure, now you will not get any more issues like an ntdll.dll crash.

Wrapping Up

We hope, the solutions shown here helped you to fix the ntdll.dll error completely. Let us know in the comment section which method worked for you? Wanna some more DeviceTricks? Stay tuned to this space to get the latest updates on errors related to Windows, macOS, Android, and Games.

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