Solution 1: Re-register the DLL File
In order to get ntdll.dll fix, you need to re-register the DLL file. This might help you in solving this error and you can again run the application.
Follow the steps to un-register and register the ntdll.dll file:
- Press Windows + R key
- Type cmd, right-click on it and select run as administrator
- In the command prompt windows, type the following command to unregister the ntdll.dll file:
regsvr32.exe /u ntdll.dll
- To register the ntdll.dll file, type the below command:
regsvr32.exe ntdll.dll
After re-registering the ntdll.dll file it is expected that this solution got ntdll.dll repair without any difficulty.
Solution 2: Perform System File Checker
Many times, it happens that due to corrupted Windows system files in an application ntdll.dll error appears. So, to fix this issue you need to perform an SFC scan. Follow the steps to do so:
- Press the Windows icon
- Type cmd, right-click on it and select run as administrator
- In the command prompt window, type sfc/scannow and hit the enter key
The scanning process will take a couple of minutes so be patient.
After the scanning is completed, restart your computer and run a program to see whether this SFC scan got ntdll.dll fix or not.
Solution 3: Run DISM Scan
Even after performing the SFC scan the ntdll.dll error is not fixed then you can try running a DISM scan in your system to solve this dll error.
Follow the steps to do so:
- Press Windows + R key
- Type cmd, right-click on it and select run as administrator
- In the command prompt window, type the following command one after the other and press the enter key after each one:
Dism /Online /Cleanup-Image /CheckHealth
Dism /Online /Cleanup-Image /ScanHealth
Dism /Online /Cleanup-Image /RestoreHealth
- This scanning process will take some time to get completed so you have to be patient.
Once the scanning is completed try to run the application that was showing the ntdll dll error and see whether it got fixed or not.
Solution 4: Replace the File from A Reliable Source
Replacing the file from a trusted source might help you in solving the ntdll dll error. Follow the steps carefully to replace the file.
Firstly, you can locate the file from:
For x86: This PC > C:\Windows\System32.
For x64: This PC > C:\Windows\SysWOW64.
Now from the other computer get a new file with the same number of the file versions.
After that boot your Windows into safe mode, navigate the above-mentioned path and replace the file with the help of any external storage device
- Press Window icon
- Type cmd, right-click on it and select run as administrator
- Type regsvr32 ntdll.dll in the command prompt and hit the enter key
Restart your computer to save the changes made.
After the completion of replacing the file, try to run the application that showed you ntdll.dll error and see whether it still appears or vanished.
Solution 5: Update Drivers
Many times, it happens that due to outdated drivers some applications show ntdll dll error when try to run them.
So, it is suggested to update all the outdated drivers to fix this issue. Either you can visit the manufacturer’s website or the official Microsoft website.
Or you can try the Driver Easy to update the drivers and solves other drivers related issue automatically.
Solution 6: Disable the IE add-ons
Try disabling the IE add-ons to fix the ntdll.dll error in your system. Follow the steps to do so:
- Open Internet Explorer.
- Click on Tools tab in the upper right side of the Internet Explorer window.
- Now, click on Manage Add-ons.
- In this window, click on Show drop-down menu
- Click on the Add-ons that have been used by Internet Explorer
- Click on each Add-on in the list and click on Disable
- Click on OK
- If you receive a message For changes to take effect, you might need to restart Internet Explorer click on OK button
- Close Internet Explorer.
Restart your Windows device and check if Ntdll.dll error still persists or not.
Solution 7: Disable the UAC Features
Disabling the user account control feature may be helpful in resolving the ntdll dll error in your application.
Follow the below-stated steps to disable UAC:
- Press the Windows icon
- Type user account control settings
- In the UAC window, there is a blue in between Never Notify and Always Notify
- Bring the slider to Never Notify and then click on OK
- Click on Yes to confirm
- Restart your system to bring the changes into effect
Now, try to run the program and see if the problem is fixed or not.
Solution 8: Virus Scan
If the ntdll.dll file is missing from your computer or while running a program you see this ntdll dll error then there might be a possibility that it is due to virus attack.
Scan your Windows system for the virus to clear the malware or virus infection from your computer and fix the dll error.
To remove the virus, you can try Spyhunter. This will clear your computer from malware, adware, browser hijacker, ransomware and others.
Solution 9: Run System Refresh
Running system refresh will reinstall the Windows and keep all your personal files & settings fixed in a proper way. The ntdll.dll error also appears if the file is missing. Therefore, refresh your PC to solve this issue.
Follow the steps to do so:
- Press the Windows icon
- Go to settings
- Click on update & security> recovery
- Click on the link under the More recovery options
- In the Start fresh with a clean installation of Windows 10, click on Download tool now
- Double-click on the RefreshWindowsTool.exe file
- Click on Accept
- Choose between Keep personal files only or Nothing
- Click on the Start button
- This process will take some time to complete the process so be patient
After the system is refreshed you will no longer see the ntdll dll error in your system while running the program.
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