How to Fix Ntdll.dll Error Code in Windows 10? 8 Solutions For 2024

The ntdll.dll error Code shows up whenever a Windows user tries to open, stop, or run a certain program.

The program can’t start because ntdll.dll is missing from your computer. Try reinstalling the program to fix this problem.

Some Windows users are getting this problem. If you are, you may be looking for a way to fix it. I have good news for you.

You will find the best way to fix this DLL error in this guide.

What is ntdll.dll?

Windows’ system directory contains the DLL ntdll.dll. Windows OS installation is fast. “NT Layer DLL” is ntdll.dll.

The NT kernel operations in the ntdll.dll file are necessary for the Windows operating system to work properly.

The ntdll.dll app crash bug can occur on any Windows OS because many programs use it.

Related Ntdll.dll Error Messages:

These are some of the NTDLL problem messages that you might see when you try to run a program. Take a look:

  • “STOP unknown hard error 0xC0000221 C: WinntSystem32Ntdll.dll”,
  • “AppName: [NAME OF PROGRAM] ModName: ntdll.dll”
  • A bug was found in package NTDLL.DLL at [ANY ADDRESS] by [PROGRAM NAME].

You now understand what ntdll is and some of the problem messages that go with it. We can start to fix it with the tips in this piece.

How to Fix Ntdll.dll Error in Windows 10?

The following steps will definitely help you fix the NTDLL problem. Read them all and choose the one that helps you fix the problem.

1: Re-register the DLL File

You need to re-register the DLL file in order to fix ntdll.dll. That might help you fix the problem, and then you can run the app again.

  • Press and hold Windows + R.
  • Right-click on cmd, type “run as administrator,” and then press “Enter.”

run as administrator

To remove the ntdll.dll file from the list, type the following in the command prompt window:

regsvr32.exe /u ntdll.dll

regsvr32.exe /u ntdll.dll

Type the following command to add the ntdll.dll file:

regsvr32.exe ntdll.dll

People who used this method should be able to fix ntdll.dll without any problems after re-registering the file.

2: Perform System File Checker

Programs with corrupted Windows system files often get ntdll.dll errors. To fix this problem, you need to run an SFC check. To do that, follow these steps:

Click on the Windows button.
Right-click on cmd, type “run as administrator,” and then press “Enter.”
Type sfc/scannow and press the enter key in the command line window.


It will take a few minutes to scan, so please be patient.

After scanning, restart your computer and run a utility to verify that SFC fixed ntdll.dll.

3: Run DISM Scan

The ntdll.dll error is still there after running the SFC scan? Try running a DISM scan on your system to fix this dll error.

  • Press and hold Windows + R.
  • Right-click on cmd, type “run as administrator,” and then press “Enter.”

Type the following commands one after the other in the command prompt window and press the return key after each one:

Dism /Online /Cleanup-Image /CheckHealth

Dism /Online /Cleanup-Image /ScanHealth

Dism /Online /Cleanup-Image /RestoreHealth

  • It would help if you were patient because this scanning process will take a while to finish.

Try running the software that gave you the ntdll dll issue again after the scan to see if it works.

4: Update Drivers

Outdated drivers can cause ntdll dll errors when running applications.

Thus, updating all obsolete drivers should fix this issue. Visit the manufacturer’s or Microsoft’s website.

Driver Updater updates drivers and fixes other driver issues automatically.

5: Disable the IE add-ons

For the ntdll.dll problem to go away, try turning off the IE add-ons. To do that, follow these steps:

  • Start up Internet Explorer.
  • In the top right corner of Internet Explorer, click on the Tools tab.
  • Now, click on Add-ons Manager.

Add-ons Manager

  • Click on the Show drop-down button in this window.
  • Click on the add-ons that Internet Explorer has used.

Show drop-down

  • After you click on each add-on in the list, you can turn it off.
  • Press “OK.”
  • If you get a message, If you want the changes to take, you may need to restart Internet Explorer. Press the OK button.
  • Close out of Internet Explorer.

Turn your Windows device back on and see if the Ntdll.dll problem is still there.

6: Disable the UAC Features

Turning off user account control may fix your application’s ntdll dll problem.

  • Click on the Windows button.
  • Type options for user account control settings

user account control settings

  • There is a blue line in the UAC box between “Never Notify” and “Always Notify.”
  • Slide the switch to “Never Notify,” and then press “OK.”
  • To be sure, click “Yes.”

Never Notify" and "Always Notify

  • After making the changes, restart your computer.

Now, run the app again to see if the issue is still there.

7: Virus Scan

If you don’t have the ntdll.dll file on your computer or see this error message when you’re starting a program, it could be because of a virus.

Please get rid of any malware or viruses that are on your computer by scanning it for viruses. That will also fix the dll problem.

You can use Spyhunter to get rid of the virus. That will get rid of malware, adware, browser hijackers, ransomware, and other types of bad software on your machine.

8: Run System Refresh

It will restart Windows and make sure that all of your files and settings stay in the right place. If the file is missing, the ntdll.dll problem will also show up. So, to fix this problem, restart your PC.

  • Click on the Windows button.
  • Go to the settings.
  • Select “Update & Security” and then “Recovery.”
  • Go to “More recovery options” and click on the link there.

More recovery options

  • If you want to start over with a fresh copy of Windows 10, click on the Download tool now.

Download tool

  • To run the RefreshWindowsTool.exe file, double-click on it.
  • Press “Accept.”


Pick one: Only keep personal information or nothing at all

  • Press the “Start” button.

personal information or nothing at all

  • It will take a while to finish this process, so please be patient.

finish this process

The ntdll dll error will go away after you restart your system and run the app again. You can read the post How to Fix DLL Errors for more ways to fix this DLL error.

Check Mirror Link
Check DLL File


I’ve put together the information you need to fix the ntdll dll problem on your computer. Do each tool one after the other. If none of the help files work, you can try the simple method shown above to fix this DLL issue.

With this article’s help, you can answer all of your questions and run the program without any problems. We’re on FacebookTwitter, and Telegram too! If you want to stay connected with us, be sure to follow us. We’d love to stay in touch!

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