FIX: System.Xml.ni.dll error in Windows 10

Matthew Adams
by Matthew Adams
Windows & Software Expert
Matthew is a freelancer who has produced a variety of articles on various topics related to technology. His main focus is the Windows OS and all the things surrounding it. He is passionate about... Read more
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  • Usually, the system.xml.ni.dll error message is caused by a problem with your NET Framework.
  • Thankfully, you can use a dedicated repair tool to quickly resolve this problem.
  • Checking your system's files with our easy-to-follow method will surely deal with your problem.
  • You can also scan your Registry files by following the detailed solution below. 
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The system.xml.dll is a DLL system file that is a part of the NET Framework. Thus, it is one of the DLL files installed with NET Framework versions.

There are various system.xml.dll and system.xml.ni.dll profiling error messages that can pop up in Windows if files are corrupted in some way, missing, or not correctly installed.

You can fix most system.xml.dll errors much the same as other DLL file issues. These are a few of the various potential resolutions for any error message that includes system.xml.dll within it.


How do I fix the System.Xml.ni.dll error?

  1. Use a third-party DLL fixer
  2. Run the system file checker tool
  3. Scan the registry
  4. Re-register the System.xml.ni.dll
  5. Run the NET Framework Repair Tool
  6. Scan for malware
  7. Roll Windows back to a restore point

1. Use a third-party DLL fixer

One quick way to fix any DLL file error message is to install and use Restoro. Not only will this software repair your problematic files, it will also protect your data from future compromise.

Restoro comes with web safety measures and scanning features that will keep your computer away from harmful software, as well as improving its health and actualy performance.

Restoro repair

Restoro is a reliable third-party DLL fixer which uses a built-in automated system and an online library full of functional DLLs to replace and repair any files that might be corrupted or damaged on your PC.

All you need to do to resolve your PC’s problems is to launch it, and simply follow the on-screen instructions to start the process, as everything else is covered by the software’s automated processes.

This is how you can fix registry errors using Restoro:

  1. Download and install Restoro.
  2. Launch the software.
  3. Wait for it to scan your PC for any stability issues and possible malware.
  4. Press Start Repair.
  5. Restart your PC for all the changes to take effect.

After this process is completed your PC will be as good as new, and you will no longer have to deal with BSoD errors, slow response times, or other similar issues.

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Disclaimer: This program needs to be upgraded from the free version in order to perform some specific actions.



2. Run the system file checker tool

  1. Press the Windows key + X hotkey and select Command Prompt (Admin) on the menu.
  2. First, type the following: DISM.exe/Online/Cleanup-image/Restorehealth
  3. Then press the Enter key to initiate the Deployment Image tool in Windows.
  4. Then initiate an SFC scan by entering: sfc/scannow
  5. Then press Enter.

The SFC scan will usually last between 20-30 minutes. When the scan is complete, the Prompt window will tell you if files were fixed. Restart Windows if WRP does repair corrupted files.

The System File Checker can come in handy for fixing various DLL errors. This in-built tool fixes most corrupted files it detects. This is how you can utilize the SFC tool in Windows 10.


3. Scan the Registry

  1. First, Download the CCleaner’s installer.
  2. Open that installer to add CCleaner to Windows.
  3. Click Registry to open CCleaner’s registry tools.
  4. Select all the registry checkboxes, and press the Scan for issues button.
  5. Press the Fix selected issues button. Then you can select to back up the registry.
  6. Click Fix all selected sssues to repair the registry.

DLL errors can often be due to invalid registry entries. As such, scanning the registry might fix numerous system.xml.dll error message. You can scan the registry with the utilities included in this software guide.

CCleaner is a utility that millions of users scan the registry with, and it comes with a plethora of other useful features.


4. Re-register the System.xml.ni.dll

  1. Open the Command Prompt (Admin) via the Win + X menu.
  2. Type the following: regsvr32/u system.xml.ni.dll
  3. Then press the Return key.
  4. To register system.xml.ni.dll again, input: regsvr32/i System.Xml.ni.dll
  5. Then press Enter.

System.xml.ni.dll error messages might pop up if the DLL is not registered properly. To remedy that, you can re-register the DLL with the Microsoft Register Server tool (Regsvr32).

To re-register the System.xml.ni.dll with Regsvr32, please follow the steps listed above and you’ll be good to go.


5. Run the NET Framework Repair Tool

  1. Download the NET Framework Repair Tool.
  2. Select the NetFxRepairTool.exe.
  3. Then, press Next, and follow the setup guidelines.
  4. Wait for the program to finish scanning and repairing any problems.

As system.xml.ni.dll is a NET Framework DLL, a system.xml.ni.dll error is also a NET Framework issue. As such, the NET Framework Repair Tool might also come in handy for fixing system.xml.ni.dll errors.


6. Scan for malware

Malware targets DLL files. As such, scanning for malware is usually a suggested resolution for fixing DLL issues.

You can scan for malware with Windows Defender, but the premium version of Malwarebytes is one of the more notable third-party utilities for purging malware.

Malwarebytes is packed with a wide variety of features meant to help you protect your PC from malware. The free version can scan your pc and remove the main threats it finds.

However, the premium version is where the program really shines, since it can block ransomware, adware, spyware and all the other harmful software.

The premium version also offers 24/7 protection, automatic scanning and removal. If you’re looking for advanced malware protection, this app is what you’re looking for.

Download Malwarebytes


7. Roll Windows back to a restore point

  1. Open Run from the Win + X menu.
  2. In the Run text box, type rstrui, then press the Enter key.
  3. Click the Next button to open a list of system restore points as below.
  4. Choose a system restore point to roll Windows back to.
  5. Restoring Windows also removes software installed after a restore point. To check what software gets removed with a restore point, press the Scan for affected programs.
  6. To confirm the selected restore point, press the Next, then the Finish buttons.

System Restore is also a handy tool for fixing DLL errors. That will undo Windows registry changes and recover missing DLL system files.

So System Restore might fix a system.xml.ni.dll error if you select to restore Windows to a date when there weren’t any system.xml.ni.dll error messages popping up on your desktop or laptop.


Those are resolutions that can fix various system.xml.ni.dll errors in Windows 10. Please make sure you share any information regarding the subject with us in the comment section below.

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