The Ntdll.dll error message could result from hardware and software issues. It is impossible to know what to do when confronted with the Ntdll.dll error message for the first time. However, you can deal with the Ntdll.dll error with a detailed guideline and the determination to get it fixed. This post provides the perfect guide to help you learn how to fix the Ntdll.dll error in Windows 10/11.

Any experienced Windows users should learn how to fix the Ntdll.dll error in Windows 10/11. The Ntdll.dll error message is a common issue stemming from hardware or software issues on your PC.

However, it is easy to deal with the OS issue if you understand the basics of troubleshooting the problem on your computer. You can read the content below to figure out how to troubleshoot the Ntdll.dll error message yourself.


What is the Ntdll.dll file on Windows PC?

You must understand the Ntdll.dll file before fixing it. The Ntdll.dll file is a critical Windows file that features in all Windows OS going back to Windows NT. It is a Dynamic Link Library, and it is why it has a [.DLL] file extension at the end. The Dynamic Link Library contains code that supports the Windows kernel functions on your computer.

What is the Ntdll.dll file

The Ntdll.dll file also contains the relevant code for your Windows to access Remote Administrator Services from Microsoft servers. The system file home location is the System32 subfolder, and its file path is [c:\windows\system32] or [c:\winnt\system32 or c:\i386] directories in older Windows versions.

You can check the Digital Signatures of the Ntdll.dll file on your PC by right-clicking on the application extension and selecting the Properties option. Click on the Digital Signatures tab and ensure it is from Microsoft Windows. You shouldn’t delete the Ntdll.dll file because it may cause your OS to crash or be unstable.


What causes the Ntdll.dll error in Windows 10/11?

Ntdll.dll error in Windows 10-11

The Ntdll.dll error can result from various issues affecting your hardware or software functions. The probable causes for the Ntdll.dll error include: corrupt/damaged Ntdll files, corrupt DLL files, virus/malware infections, corrupt user accounts, corrupt/misconfigured programs, corrupt hardware drivers, or issues between third party software and Windows OS.

The Ntdll.dll error affects third-party Windows programs, drivers, or the Windows operating system. You can read the solutions below to figure out how to tackle the Ntdll.dll error on your computer.

You can use the solutions below to fix the Ntdll.dll error on your computer. The fixing tips are in order of troubleshooting priority, so ensure to start from the top as you work your way down.


1. Try to restart your computer to fix the Ntdll.dll error

Try to restart your computer to fix the Ntdll.dll error

The first solution you should attempt is to restart your PC and check whether it fixes the problem. Ntdll.dll errors could result from system files not loading to completion after booting your PC, and restarting your computer can solve the problem.


2. Try to run the DISM Command to fix system files

You can use the procedure below to execute the DISM Command on your PC and fix the Ntdll.dll error.

Step 1: Click on the Search box at the bottom left of your screen and search for CMD. Right-click on the Command Prompt app before clicking on the Run as administrator option.

Run as administrator option

Step 2: Type the [Dism /Online /Cleanup-Image /CheckHealth] Command before hitting the Enter key.

CheckHealth of windows

Step 3: Type the [Dism /Online /Cleanup-Image /ScanHealth] Command before hitting the Enter key.

Cleanup-Image of windows

Step 4: Type the [Dism /Online /Cleanup-Image /RestoreHealth] Command before hitting the Enter key.

RestoreHealth of Windows

Step 5: The DISM scans your Windows operating system before attempting to fix corrupt system files on your PC.


 3. Try to run the System file check Command to fix the Ntdll.dll error 

You can follow the steps below to run the System file check Command on your computer.

Step 1: Click on the Search box and search for CMD. Right-click on the Command Prompt app before clicking on the Run as administrator option.

Click on the Search box and search for CMD

Step 2: Type the [sfc /scannow] Command before hitting the Enter key. Ensure the scan is complete before restarting your PC.

sfc -scannow

The System file check ensures all the relevant DLL files are available during the System boot process.


4. Try to update your Windows operating system

Try to update your Windows operating system

The Ntdll.dll error can occur when your computer does not have the relevant Service Pack update on your computer. Updating your OS will help fix the Ntdll.dll error message on your PC.


5. Try to replace the DLL file causing the Ntdll.dll error

You can follow the steps below to replace the DLL file causing the Ntdll.dll error on your PC.

Step 1: Visit the official Microsoft web page and download a trusted Ntdll.dll file copy. Ensure the Digital Signatures for the file comes from Microsoft Windows.

Ntdll.dll file

Step 2: Boot your PC in Safe Mode to bypass the complete loading of Drivers and Programs.

Boot your PC in Safe Mode

Step 3: Copy and replace the DLL file in the specified file path.

DLL file in the specified file path

Step 4: Open the CMD app with Administrator privileges before typing [regsvr32 ntdll.dll] and hitting the Enter key.

regsvr32 ntdll.dll entry

Step 5: Reboot your PC to complete the Ntdll.dll file installation process.

complete the Ntdll.dll file installation process


6. Try to install or update missing drivers on your PC

You can use the procedure below to check for missing drivers or update your drivers.

Step 1: Right-click on the Start icon before clicking on the Device Manager option.

Start icon before clicking on the Device Manager option

Step 2: Wait for the Device Manager console to launch before checking for the Yellow hazard icon on the list of devices.

Step 3: Right-click on your preferred device before clicking the Update Driver option.

clicking on the Update Driver option


7. Try to uninstall programs causing the Ntdll.dll error

uninstall program

Incompatible programs may cause you to experience the Ntdll.dll file error. Uninstalling the affected programs can help resolve the DLL file error. You can try to boot your PC in Safe Mode before uninstalling the programs.


Conclusion

You could also check for hardware failures like your RAM or hard drives. Replace any faulty hardware devices before attempting to install a fresh copy of Windows on your PC.