What is MsPMSNSv.dll?

MsPMSNSv.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. The following information can help you determine if MsPMSNSv.dll is a Windows system file or if it belongs to an application that you can trust.

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MsPMSNSv.dll file information

The process known as Microsoft Media Device Service Provider or Microsoft-Mediengeräte-Dienstanbieter or Proveedor de servicios de dispositivos de Windows Media belongs to software Portable Media Serial Number Service (WmdmPmSN) or Dienst für Seriennummern der tragbaren Medien (WmdmPmSN) by Microsoft (

Description: MsPMSNSv.dll is not essential for Windows and will often cause problems. MsPMSNSv.dll is located in the C:\Windows\System32 folder. Known file sizes on Windows 10/8/7/XP are 25,088 bytes (40% of all occurrences), 52,224 bytes, 27,136 bytes, 52,736 bytes or 26,112 bytes. 
The service can be started or stopped from Services in the Control Panel or by other programs. The program is not visible. The application is not active. The MsPMSNSv.dll file is not a Windows system file. The file is a Microsoft signed file. Therefore the technical security rating is 0% dangerous, however you should also read the user reviews.

Recommended: Identify MsPMSNSv.dll related errors

Important: Some malware camouflages itself as MsPMSNSv.dll. Therefore, you should check the MsPMSNSv.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

Seems to be a malware
  Mike   (further information)
mspmsnsv.dll is statically linked to the following files: KERNEL32.dll msvcrt.dll ADVAPI32.dll USER32.dll This means that when mspmsnsv.dll is loaded, the above files are automatically loaded too. If one of these files is corrupted or missing, mspmsnsv.dll won't be loaded. information on it.
overwrites a file in the Windows/system32 directory where all the components of Windows are kept. And this is the portable media serial number service that gets overwritten. It's an awkwardly named file, mspmsnsv.dll, that gets replaced. And at the moment what it does is it downloads and installs the Poison Ivy RAT. RAT is an acronym for Remote Access Trojan. So that's what people are being afflicted by who click on links in their browsers who have Java enabled and running.
  Fernando Cabal, chercheur   (further information)

Summary: Average user rating of MsPMSNSv.dll: based on 2 votes with 4 user comments. One user suspects danger. One user thinks MsPMSNSv.dll is dangerous and recommends removing it. 2 users don't grade MsPMSNSv.dll ("not sure about it").

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Best practices for resolving MsPMSNSv issues

A clean and tidy computer is the key requirement for avoiding problems with MsPMSNSv. This means running a scan for malware, cleaning your hard drive using cleanmgr and sfc /scannow, uninstalling programs that you no longer need, checking for Autostart programs (using msconfig) and enabling Windows' Automatic 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 resmon 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 DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the MsPMSNSv.dll process on your computer, the following programs have proven to be helpful: Security 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. Malwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

MsPMSNSv.dll [all]