How to Fix Msxml4.dll Not Found or Missing Errors

DLL Files carry out important functions on Windows operating system. The file is part of the DLL family and is associated with MSXML 4.0 SP. This DLL file is required for various functions on your system. When this file goes missing, certain programs that are associated with it may not work properly. 

Users have reported facing Msxml4.dll not found or missing error after updating their Windows. Many times, Windows Updates may change the system files and cause such issues. The file may also get corrupted due to viruses and malware. 

If you have made your way to this article looking for troubleshooting steps to fix it, you are at the right place. This article will discuss how you can fix Msxml4.dll not found or missing errors on Windows. 

Fix Msxml4.dll Not Found or Missing Error

Whatever caused the Msxml4.dll file to get damaged or deleted, various ways can help solve this issue. Given below are the possible fixes to troubleshoot Msxml4.dll not found or missing error on your Windows PC-

1. Run SFC and DISM Scan

If any system files go missing or are damaged, then SFC and DISM scan fixes them. These are the in-built tools to fix issues caused due to corrupted files, lost system files, or misconfigured files. Follow the steps given below to run SFC and DISM scan-

1. Press Windows + S key combo, and search for CMD. Select Command Prompt with arrow keys and then click on Run as administrator.
2. Here, execute the command given below to run the SFC scan on your PC-
   • sfc /scannow
3. This will run the SFC scan; wait for the process to complete. 
4. Once done, run the DISM scan by executing the following command-
   • DISM.exe /Online /Cleanup-image /Restorehealth
5. Wait for the process to complete, and then close the Command Prompt. 

2. Run Virus Scan

Viruses and malware often corrupt essential files on your system to cause instability and lag. If you have been facing Msxml4.dll not found or missing error, then scan your PC with Antivirus.

You can use third-party antivirus to scan your PC for the virus. However, if you do not have an antivirus on your PC, then run a Windows security scan by following the steps given below-

1. From the Start Menu, open Windows Security.
2. Click on Virus & Threat Protection here.
3. Now, click on Scan Options.
4. Select Full Scan and click on Scan now to run a full scan.

3. Update Drivers

You can try updating your drivers to fix this error. To do so, follow the steps given below-

1. Press Windows + I key combo to open the Settings app.
2. On the left sidebar, click on Windows Update.
3. Now, click on Advanced Options and then on Optional Updates.
4. Under Driver Updates, select all the updates available.
5. Download and install all the driver updates. 

4. Perform System Restore

The next troubleshooting method will be to perform a system restore. You can perform a system restore if you start facing this issue after making changes to your system (like tweaking the settings, installing/removing a program, installing Windows Update, etc.).

This will revert your system to the state it was in before making the changes, but you need to have the restore point to continue with this method. Given below are the steps to perform system restoration-

1. Press the Windows key, search for Create a restore point and open it.
2. In the System Properties window, click on the System Restore button.
3. Now, click on the Next button to continue ahead. 
4. Select the restore point from the list, and click on Next.
5. On the next screen, click on Finish to begin system restore. 

5. Reset PC

If you still face the same issue even after following the above steps, you are left with no option other than resetting your PC. This will revert your PC to the factory settings and delete all your apps and settings. It is a must to have a backup of your data before you continue with this step. Given below are the steps to reset the PC. 

1. Open the Settings app through the Windows + I keyboard shortcut. 
2. Under the System tab, click on the Recovery option.
3. Here, click on the Reset PC button.
4. You will now get two options- 
   • Keep My Files- This option keeps your files while removing all the apps and settings.
   • Remove Everything- This option removes everything, including your files, apps, and settings.
5. Select any of the two options to continue ahead. 
6. Next, you will be asked how you want to reinstall Windows. You will have two options for that-
   • Cloud Download- Downloads Windows from the internet and then reinstalls it. Data connection is a must to go with this option.
   • Local Reinstall- This will reinstall Windows from the ISO file already present on your system. You will be asked to select the ISO file for Windows on your system if you choose this option.
7. Select either of the two options and then follow the on-screen instructions to reset your PC. 

Final Words

Msxml4.dll not found or missing error can interrupt the proper functioning of your system. Generally, this occurs when the file has been deleted from your system or if it is corrupted. If you are facing this issue, the above steps will help you solve it.