How to fix System.Xml.ni.dll errors in Windows

The DLL files are an important aspect of the Windows operating system. If you have checked the Windows disk, it is full of different DLL files. If one of it goes corrupt or missing you can get an error in the system. System.xml.dll is also one such DLL file that gives you an error if it gets corrupted, goes missing, or not installed properly. If you are getting system.xml.ni.dll error on your computer, we have some solutions for you right below.

Solution 1 – Reregister the system.ni.dll file

DLL files are registered in the Microsoft Register server tool, it might be possible that your DLL file is not registered properly in the database of the system and so the error is popping up on your computer. To solve this issue you will just need to just re-register the system.ni.dll file and it would be okay.



STEP 1: Open Run box by pressing Windows + R, type cmd, and press Ctrl + Shift + enter to run it as an administrator.

Run Cmd Admin

STEP 2: Click Yes button on the user access control prompt.

STEP 3: type the following command in the command prompt window, it will re-register your system.ni.dll file.

regsvr32 /i System.Xml.ni.dll

 

Cmd Admin Command

Close the command prompt window and check that your error is resolved. Type in the comment box if you find any difficulty.

Solution 2 – Run the System File Checker Tool

A system file checker is a helpful tool that scans the computer and fixes the important system files that have gone corrupted or missing. Follow the steps below to run System File Checker on your computer.

STEP 1: Press Windows buttons search for command prompt, right-click on the search result and select Run as administrator.

Cmd Admin

STEP 2: Select Yes on the User account control prompt.

STEP 3: In the command prompt window, type the following command and hit Enter:

DISM.exe /Online /Cleanup-image /Restorehealth

 

Cmd Command

It will initiate the Deployment Image tool for the computer.

STEP 4: Now, type sfc /scannow to initiate the System File checker scan.



Cmd Scan Command

The scan will take about fifteen to thirty minutes. Close the Command prompt window once the scan completes and then reboot your computer.

Solution 3 –  Scan for malware

Malware is infamous for targeting system files to crash your computer. Some malware deletes the system.xml.ni.dll file and that gives you the error. In order to solve the error, you have to remove the malware from the computer. Windows Defender is a great inbuilt tool that can help to remove malware, there is also third party malware like Malwarebytes which is also great. First, you scan your system with Windows defender and if that doesn’t remove the malware then go with Malwarebytes. Click here to download the Malwarebytes tool.

Solution 4 – Run the NET Framework Repair Tool

As system.xml.ni.dll is a DLL file from the NET framework, the error might be coming from the error in the NET framework. Windows have a dedicated tool for the repair of the NET framework. You can download the tool from the windows website, click here to download. After downloading the tool, run it and it will automatically fix the NET framework issue.