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mountmgr.sys.mui - Repair Issues and Download

Sometimes Windows system displays error messages regarding corrupted or missing mountmgr.sys.mui files. Situations like that can occur, for example, during a software installation process. Each software program requires certain resources, libraries, and source data to work properly. Corrupted or nonexistent mountmgr.sys.mui file can therefore effect in failed execution of the started process.

mountmgr.sys.mui file Mount Point Manager. The file was developed by for use with software. Here you will find detailed information about the file and instructions how to proceed in the event of mountmgr.sys.mui related errors on your device. You can also download mountmgr.sys.mui file compatible with Windows 10, Windows 8.1, Windows 8, Windows 7 devices which will (most probably) allow you to solve the problem.

For Windows Compatible with: Windows 10, Windows 8.1, Windows 8, Windows 7

File info

General information
Filename mountmgr.sys.mui
File extension MUI
Description Mount Point Manager
Software
Program Microsoft® Windows® Operating System
Author Microsoft Corporation
Details
MIME type application/octet-stream
File type Driver
System Windows NT 32-bit
Copyrights © Microsoft Corporation. All rights reserved.
Character set Unicode
Language cod English (U.S.)
mountmgr.sys.mui

There are various types of errors related to mountmgr.sys.mui file. mountmgr.sys.mui file may be located in wrong file directory on your device, may not be present in the system, or may be infected with malicious software and therefore not work correctly. Below is a list of most common error messages related to mountmgr.sys.mui file. If you encounter one listed below (or similar), please consider the following suggestions.

  • mountmgr.sys.mui is corrupted
  • mountmgr.sys.mui cannot be located
  • Runtime Error - mountmgr.sys.mui
  • mountmgr.sys.mui file error
  • mountmgr.sys.mui file cannot be loaded. Module was not found
  • cannot register mountmgr.sys.mui file:
  • mountmgr.sys.mui file could not be loaded
  • mountmgr.sys.mui file doesn't exist

mountmgr.sys.mui

Error

Application could not be started because mountmgr.sys.mui file is missing. Reinstall the application to solve the problem.

OK

Problems related to mountmgr.sys.mui can be addressed in various ways. Some methods are meant only for advanced users. If you don't have confidence in your skills, we suggest consulting a specialist. Fixing mountmgr.sys.mui file errors should be approached with utmost caution for any mistakes can result in unstable or unproperly working system. If you have the necassary skills, please proceed.

mountmgr.sys.mui file errors can be caused by various factors, so its is beneficial to try to fix them using various methods.

Step 1: Scan your computer for any malicious software

Virus Scan

Windows files are commonly attacked by malicious software that prevents them from working properly. First step in addressing problems with mountmgr.sys.mui file or any other Windows system files should be scanning the system for malicious software using an antivirus tool.

If by any chance you don't have any antivirus software installed on your system yet, you should do it immediately. Unprotected system is not only a source of file errors, but, more importantly, makes your system vulnerable to many dangers. If you don't know which antivirus tool to choose, consult this Wikipedia article – comparison of antivirus software.

Step 2: Update your system and drivers.

Windows Update

Installing relevant Microsoft Windows patches and updates may solve your problems related to mountmgr.sys.mui file. Use dedicated Windows tool to perform the update.

  1. Go to the Windows "Start" menu
  2. Type "Windows Update" in the search field
  3. Choose the appropriate software program (name may vary depending on your system version)
  4. Check if your system is up to date. If any unapplied updates are listed, install them immediately.
  5. After the update has been done,restart your computer in order to complete the process.

Beside updating the system, it is recommended that you install latest device drivers, as drivers can influence proper working of mountmgr.sys.mui or other system files. In order to do so, go to your computer or device producer's website where you will find information regarding latest driver updates.

Step 3: Use System File Checker (SFC) tool

System File Checker

System File Checker is a Microsoft Windows tool. As the name suggests, the tool is used for identyfing and addressing system file related errors, including those related to mountmgr.sys.mui file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the mountmgr.sys.mui file with properly working version. To use the tool:

  1. Go to the Windows "Start" menu
  2. Type "cmd" in the search field
  3. Locate "Command Prompt" result – don't run it yet:
  4. Click the right mouse button and select "Run as Administrator" option
  5. Type "sfc /scannow" in console prompt to start the program and follow the instructions

Step 4: Restoring Windows system

Windows Recovery

Another approach is to restore system to previous state, before the mountmgr.sys.mui file error occured. In order to restore your system, follow the instructions below

  1. Go to the Windows "Start" menu
  2. Type "System Restore" in the search field
  3. Start the system restore tool – it's name may differ depending on version of the system
  4. The application will guide you through the process – read the messages carefully
  5. After the process has finished, restart your computer.

If all the above-mentioned methods failed and the mountmgr.sys.mui file problem has not been resolved, proceed to the next step. Remember that the following steps are intended only for advanced users.

Download and replace mountmgr.sys.mui file

The last solution is to manually download and replace mountmgr.sys.mui file in appropriate folder on the disk. Select file version compatible with your operating system and click the "Download" button. Next, go to your web browser's "Downloaded" folder and copy the downloaded mountmgr.sys.mui file.

Go to the folder where the file should be located and paste the downloaded file. Below is the list of mountmgr.sys.mui file example directory paths.

  • Windows 10: C:\Windows\System32\drivers\en-US\
  • Windows 8.1: C:\Windows\System32\drivers\en-US\
  • Windows 8: 1: C:\Windows\System32\drivers\en-US\
  • Windows 7: C:\Windows\System32\drivers\en-US\

If the steps did not solve your mountmgr.sys.mui file problem, you should consult a professional. A probability exists that the error(s) might be device-related and therefore should be resolved at the hardware level. A fresh operating system installation might be necessary – a faulty system installation process can result in data loss.

File versions list

Filename mountmgr.sys.mui
System Windows 10
File size 3072 bytes
Date 2017-03-18
File details
MD5 cfb01e976a89907ab197a051ecca9c49
SHA1 9b7eee2c5106d89c92034d67f375b69bb8831571
SHA256 e0cc0ac0fc029aac83815614bfe09844e7ef00b2b3e3d2df0797b94fe181df3e
CRC32 b38b06cc
Example file location C:\Windows\System32\drivers\en-US\
Filename mountmgr.sys.mui
System Windows 8.1
File size 2560 bytes
Date 2014-11-21
File details
MD5 04d89a8594a521c3e3e5ded565f35937
SHA1 b1862a0be9ae79a915c1b9bed0748adf6699a2f0
SHA256 a4d71823961982ee401e713b2281676b6a20fced7b491186561c7b15f91ccd51
CRC32 a6ad27ff
Example file location C:\Windows\System32\drivers\en-US\
Filename mountmgr.sys.mui
System Windows 8
File size 2560 bytes
Date 2012-07-26
File details
MD5 b008bdecaa5da68099c6fb87dc8780cd
SHA1 5dc0573d0de67b9db4b67b3b656d8663c742aecb
SHA256 87295e0b167320eacd264aa98780d8e764f70a50d2d65215be4d2d55247df96b
CRC32 d3f5c6f5
Example file location 1: C:\Windows\System32\drivers\en-US\
Filename mountmgr.sys.mui
System Windows 7
File size 2560 bytes
Date 2011-04-12
File details
MD5 838d30d5f14f004544a4a139ca5eb95d
SHA1 74c7b36b6735fe873af73d7d2fc593b892450cc7
SHA256 60066c0ffd1571d1e18df0106d42b01b3ab94c9e735d981e0be2b1add46af220
CRC32 f45b32bd
Example file location C:\Windows\System32\drivers\en-US\