What is msxml4.dll?

Msxml4.dll is a Windows DLL file. DLL is the abbreviation for Dynamic Link Library. DLL files are needed by programs or web browser extensions, because they contain program code, data, and resources. You can fix your msxml4.dll problem by downloading the correct msxml4.dll file. The following information can help you determine if msxml4.dll is a Windows system file or if it belongs to an application that you can trust.

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Msxml4.dll file information

The process known as MSXML 4.0 (version SP 2, SP3) belongs to software Microsoft® MSXML (version 4.0 SP 2, 4.0 SP3) by Microsoft (

Description: Msxml4.dll is not essential for Windows and will often cause problems. Msxml4.dll is located in the C:\Windows\System32 folder. Known file sizes on Windows 10/8/7/XP are 1,348,432 bytes (83% of all occurrences), 1,402,312 bytes or 1,328,968 bytes. 
A .dll file (Dynamic Link Library) is a special type of Windows program containing functions that other programs can call. This .dll file can be injected to all running processes and can change or manipulate their behavior. The program is not visible. You can uninstall this program in the Control Panel. The service has no detailed description. It can change the behavior of other programs or manipulate other programs. The file is not a Windows core file. The msxml4.dll file is certified by a trustworthy company. Therefore the technical security rating is 35% dangerous, however you should also read the user reviews.

Uninstalling this variant: If you encounter difficulties with msxml4.dll, you can do the following:
  1) completely remove MSXML 4.0 SP2 or MSXML 4.0 SP3 Parser (Control Panel ⇒ Uninstall a Program)
  2) ask for help from Support [1][2].

Recommended: Identify msxml4.dll related errors

If msxml4.dll is located in a subfolder of C:\Windows, the security rating is 73% dangerous. The file size is 1,348,432 bytes (75% of all occurrences) or 1,286,152 bytes. The program is not visible. The file has a digital signature. The service has no detailed description. Msxml4.dll is not a Windows core file.

Important: Some malware camouflages itself as msxml4.dll. Therefore, you should check the msxml4.dll process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.


User Comments

Hatte das Ding Auch Danke! funzt alles wieder
Seems to be related PC Tools Performance Toolkit
this .dll is a part of a control setup that allows stabalizing of data flow control
Bitte lesen sie genau. Gebe es msxml4 oder höher bzw.: msxml6 nicht würde so einige Software nicht mehr funktionieren die msxml benötigt. msxml wird auch benötigt um einen zweidimensionalen Text zu schreiben zum Erstellen von Webseiten oder Adobereader. Meist ist es der Anwender selbst der überall im System aus Langeweile rumklickt und sich verklickt und Fehler enstehen.
  Dominique   (further information)
It is shown to be malware by the 'Certified Toolbar Removal Tool'
  jackw   (further information)

Summary: Average user rating of msxml4.dll: based on 5 votes with 5 user comments. 2 users think msxml4.dll is essential for Windows or an installed application. 2 users suspect danger. One user thinks msxml4.dll is dangerous and recommends removing it.

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Best practices for resolving msxml4 issues

A clean and tidy computer is the key requirement for avoiding problems with msxml4. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the 6resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the msxml4.dll process on your computer, the following programs have proven to be helpful: ASecurity Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. BMalwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

msxml4.dll [all]