When you try launching any application after the Windows Update or installing any application in the computer, most of the users experienced the issue with a pop-up message saying, “The procedure entry point could not be located in the dynamic link library ntdll.dll.” The applications installed in the computer won’t work any longer and will pop up the same message while launching. The same ntdll.dll error message also appears at the start-up of the computer.
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Most of the users experienced the same issue while launching some application, games installed in the computer. In order to fix these kinds of issues, it is important to find out which application is causing the issue, so that it will be easy to sort out the issue. As the issue can occur with different application, here we are providing the most common troubleshooting steps that can sort out the ntdll.dll error – the procedure entry point could not be located error message.
What is ntdll.dll file?
The ntdll.dll file is a file created by Microsoft that has a description of “NT Layer DLL” and is the file that contains NT kernel functions.
The ntdll.dll file is in the c:\windows\system32 or c:\winnt\system32 directory and can also be found in the c:\i386 directory.
How to fix ntdll.dll file errors?
Quick Note: Before making any changes in your computer, we suggest you to create a System Restore point, so that you can restore back your computer to previous working state if something goes wrong.
In order to fix the issue with ntdll.dll errors, you can try these possible troubleshooting steps.
Uninstall or re-install application:
Suppose if the issue has occurred after installing a particular application, you can try removing it from the list of installed applications and check if everything works fine. To uninstall the application from the computer, follow the below steps.
- Press Windows logo + R keys on the keyboard to open RUN window, type appwiz.cpl and hit enter.
- It will open the Programs and Features window with a list of installed applications in the computer.
- Locate the recently installed application and uninstall it.
If there are any Restore points created in the computer earlier, you can try performing the System Restore to an earlier point when it was working fine and see if the computer works fine. If the issue remains same, you can proceed with the further resolution steps.
Re-registering the DLL file sometimes helps you in resolving these issues. To perform the same, follow the below resolution steps.
- Press Windows key, in the search bar type cmd, right click on Command Prompt and select the option Run as Administrator.
- In the command prompt, type the below command and hit enter.
Now, reboot your computer and check if the computer and the applications work fine without any error message. If the issue remains, you can proceed with the further troubleshooting steps.
Remove virus and malware infections:
The issue with the ntdll.dll error also occurs if the computer is affected with the virus and the malware Trojans. So, it is important to remove all the infections from the computer and make sure that the computer is secured.
If you have purchased any Anti-virus application, perform the full System Scan and remove the detected infections.
You can also perform the clean boot and check if the issue gets fixed. Learn how to perform a Clean Boot on Windows 10 computers.
If the issue remains even after removing the virus infections from the computer, proceed with the further resolution steps.
Disable or reinstall Anti-virus / Firewall:
Faulty or corrupted Anti-virus might also cause the DLL errors on your computer.
Follow below links to disable, uninstall or reinstall antivirus software from your computer
- How to temporarily disable any antivirus firewall
- Remove-reinstall Norton anti-virus using Norton removal tool
- Completely uninstall AVG products
- Disable Windows Defender in Windows 8/10
- Turn Windows Defender on or off in Windows 8
- Turn Windows Defender on or off in Windows 7
Repair Operating System:
If above resolutions steps did not help you to fix the issues, suggest you to repair or refresh your computer as faulty system files can cause the issue. Windows repair or refresh will repair faulty boot files instantly. To do that follow below links.
By following the above troubleshooting steps helps you in fixing the issue with the ntdll.dll error on your computer and the computer starts working fine.
The above resolution steps help you in fixing the issues with the ntdll.dll error on your computer and get all the applications work fine. If you find this helpful, do comments. You can also ask more on our Forum.