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What is MountMgr?

MountMgr.sys is a Windows driver. A driver is a small software program that allows your computer to communicate with hardware or connected devices. This means that a driver has direct access to the internals of the OS, hardware etc.
The free file information forum can help you determine if MountMgr.sys belonging to the Windows system or an application you can trust.

Run a free scan to check for MountMgr drivers in need of updating

MountMgr.sys file information

The process known as Mount Manager or Mount Point Manager belongs to software Microsoft Windows Operating System by Microsoft (www.microsoft.com).

Description: The original MountMgr.sys is an important part of Windows and rarely causes problems. The file MountMgr.sys is located in the folder C:\Windows\System32\drivers. Known file sizes on Windows 7/XP are 42,240 bytes (77% of all occurrences), 42,368 bytes, 37,504 bytes or 57,400 bytes. http://www.file.net/process/mountmgr.sys.html 
The driver can be started or stopped from Services in the Control Panel or by other programs. It is a Windows core system file. The program is not visible. The service has no detailed description. MountMgr.sys is a trustworthy file from Microsoft. MountMgr.sys seems to be a compressed file. Therefore the technical security rating is 2% dangerous; however you should also read the users reviews.

Recommended: Identify MountMgr.sys related errors

Important: Some malware disguises itself as MountMgr.sys, particularly when not located in the C:\Windows\System32\drivers folder. Therefore, you should check the MountMgr.sys 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

i know only this i agree and understand with what you are saying but what about a clean install? likei blew the drive right away and im still getting the error after changing the HD 4 times and rom drives bios settings and so on can you help please.
It deals with file volume management. It allocates and deallocates drive letters for all devices and some versions fail to deallocate drive letters on stopping and disconnecting a device.
  Chris Thomas  
It's also used in Windows Vista & very important (if you delete this, your computer will refuse to start up!(repair? boot from cd)
  Stephane C  
getting a copy of MountMgr.sys
After a PC crash, I got a new HD, meeting all specs but my disk says mountmgr.sys is corrupt. Trying to find one on line.
Very Important file for managing and supporting the system volume information.
  trysunil   (further information)

Summary: Average user rating of MountMgr.sys: based on 7 votes with 6 user comments.
7 users think MountMgr.sys is essential for Windows or an installed application. One user is not sure about it.

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MountMgr scanner

Security Task Manager shows all running Windows tasks including embedded hidden functions (e.g. keyboard or browser monitoring, autostart entry). A unique security risk rating indicates the likelihood of the process being potential spyware, malware, keylogger or a Trojan.

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Other processes

MountMgr.sys [all]