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How to Repair smss.exe.mui? Download Now

Sometimes Windows system displays error messages regarding corrupted or missing smss.exe.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 smss.exe.mui file can therefore effect in failed execution of the started process.

smss.exe.mui file Windows Session 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 smss.exe.mui related errors on your device. You can also download smss.exe.mui file compatible with Windows 10, Windows 8.1, Windows 8, Windows 7, 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, Windows 7

File info

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

There are various types of errors related to smss.exe.mui file. smss.exe.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 smss.exe.mui file. If you encounter one listed below (or similar), please consider the following suggestions.

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

smss.exe.mui

Error

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

OK

Problems related to smss.exe.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 smss.exe.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.

smss.exe.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 smss.exe.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 smss.exe.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 smss.exe.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 smss.exe.mui file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the smss.exe.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 smss.exe.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 smss.exe.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 smss.exe.mui file

The last solution is to manually download and replace smss.exe.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 smss.exe.mui file.

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

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

If the steps did not solve your smss.exe.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 smss.exe.mui
System Windows 10
File size 2560 bytes
Date 2017-03-18
File details
MD5 cb0a89cfd07334c9f5e94635ee4eaf51
SHA1 319dcb816f89c319d144936ffb1b58420b0f6d2c
SHA256 47c270b45061bf538891e39cb6ba2805701cf888196315d15e96ce667af9bd81
CRC32 c0fd9e00
Example file location C:\Windows\System32\en-US\
Filename smss.exe.mui
System Windows 8.1
File size 2048 bytes
Date 2014-11-21
File details
MD5 2c5e601baf866fe51721a62f98bd6501
SHA1 1d2c10b021587668d419348bd76e582d275af64f
SHA256 460d7f47ad6971c8da966ab9ef3ca542104288b56f7dc64501beace47531443a
CRC32 7f2c5367
Example file location C:\Windows\System32\en-US\
Filename smss.exe.mui
System Windows 8
File size 2048 bytes
Date 2012-07-26
File details
MD5 a30c199677f3a81db2d238c35f62771c
SHA1 043c704e33ca4d5df3add3805a005a4263d7ea2c
SHA256 d7cd95abac6870f6966aea48500f3f41ee767977be4ac6edbdbd73aa4faec024
CRC32 ca2eca15
Example file location 1: C:\Windows\System32\en-US\
Filename smss.exe.mui
System Windows 7
File size 2048 bytes
Date -0001-11-30
File details
MD5 628fe2bd6bc67da0b620682379b74d98
SHA1 81c87e253736d5e4d933b2782f7f9eb0f2d79b0c
SHA256 77d8bf69f0b78b7dd8a438703c63757339aacad0ceb5d313d6a71ef9219e331c
CRC32 7beeb75c
Example file location C:\Windows\System32\en-US\
Filename smss.exe.mui
System Windows 7
File size 2048 bytes
Date 2011-04-12
File details
MD5 cc869558ea8f8914d3b3324620b63273
SHA1 2eae1289464dae50c547d2ef2c64bda8c5fc99ed
SHA256 9c8e1c012bd1f56b749de9b213df4235fc67e8a1f94a2bbae32a5b65289362f3
CRC32 1c56e9e0
Example file location C:\Windows\System32\en-US\