What is the msxml3.dll component needed for?
Simply put, a DLL file is a renamed executable file. It cannot be executed directly but can be called by any Windows executable program.The msxml3.dll process is also known as MSXML 3.0 (Version SP11, SP10) and is a part of Microsoft® MSXML (Version 3.0 SP11, 3.0 SP10) or, as the case may be, Microsoft XML Core Services. This software is produced by Microsoft (www.microsoft.com). An outdated or faulty version of msxml3.dll can cause problems for your computer, ranging from slowness to error messages like these:
- MSXML 3.0 has stopped working. Windows is checking for a solution to the problem... (Windows 11, 10, 7)
- MSXML 3.0 has stopped working. A problem caused the program to stop working correctly. Windows will close the program and notify you if a solution is available. (Windows 11, 10, 7)
- msxml3.dll has encountered a problem and needs to close.
- Access violation at address FFFFFFFF in module msxml3.dll. Read of address 00000000.
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What you should know about msxml3.dll MSXML 3.0
msxml3.dll is part of Windows. Msxml3.dll is found in the C:\Windows\System32 directory.
Frequently occurring are file sizes such as 1,233,408 bytes (22% of all these files), 1,331,200 bytes as well as 6 other variants.
The program executes in the background, and can only be terminated using Windows Task Manager. The original file by Microsoft is digitally signed. So please check the file on your computer.
For this reason, 14% of all experts consider this file to be a possible threat. The probability that it can cause harm is high.
If you see this file on your hard drive or in Windows Task Manager, please make sure that it is not a malicious variant. It's a fact that many trojans try to cloak their true identity by calling themselves msxml3.dll. With the above information or by using tools like Security Task Manager you can determine if, in your case, the file is an undesirable variant.
What do other computer users say about msxml3?
The file spreads very slowly and does not often make an appearance. Therefore, feedback from other users is not yet available.
Summary: source: file.net
How to uninstall Microsoft® MSXML or Microsoft XML Core Services
To remove MSXML 3.0 from your computer, please follow the manual instructions below.
- Click the Windows Start Button. You can find it in the lower-left corner of the taskbar.
- Type 'uninstall'.
- Click Add or remove programs.
- Now locate Microsoft® MSXML or Microsoft XML Core Services in the list of displayed applications.
- Click the program, and then click Uninstall.


How to check if msxml3.dll (MSXML 3.0) was uninstalled completely
After uninstalling, restart your computer. Then open Windows Explorer and check if a folder with the software name still exists under C:\Program Files. Also, check the Registry for remnants of MSXML 3.0. To do this, start Regedit, then look under HKEY_LOCAL_MACHINE > Software for: MSXML 3.0 or the name of the producer. Keep in mind that only a computer professional should delete entries in the Windows Registry directly.
Last but not least
If Windows is not working properly, startup is slow, or msxml3.dll is causing problems, a good Windows diagnostic tool may help. This is especially effective when it comes to older computers that have accumulated vast quantities of "garbage data" as the result of many software installs and uninstalls.
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