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Download defragsvc.dll.mui to Fix Errors

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

defragsvc.dll.mui file Microsoft\Drive Optimizer. 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 defragsvc.dll.mui related errors on your device. You can also download defragsvc.dll.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 defragsvc.dll.mui
File extension MUI
Description Microsoft\Drive Optimizer
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.)
defragsvc.dll.mui

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

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

defragsvc.dll.mui

Error

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

OK

Problems related to defragsvc.dll.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 defragsvc.dll.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.

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

The last solution is to manually download and replace defragsvc.dll.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 defragsvc.dll.mui file.

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

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

If the steps did not solve your defragsvc.dll.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 defragsvc.dll.mui
System Windows 10
File size 12800 bytes
Date 2017-03-18
File details
MD5 742e72ae94cb6d158d19557e21fb710d
SHA1 e034876019e40dd6105a0bf305f8415212b91662
SHA256 ffa431c4eefc794ddf4e29efbdeaf909dacdfb5a6d5223f06516f267326e817e
CRC32 b0381340
Example file location C:\Windows\System32\en-US\
Filename defragsvc.dll.mui
System Windows 8.1
File size 12288 bytes
Date 2014-11-21
File details
MD5 e59e85ca21e223fcccc257a34af390a4
SHA1 7960885b46bfe752c77d9cfe09a0371b32e60b34
SHA256 45d28589da522c8b558fdccbf4c4f039eff3df10aa615c8ab1c42cc060d0c9ad
CRC32 e457c2a3
Example file location C:\Windows\System32\en-GB\
Filename defragsvc.dll.mui
System Windows 8
File size 12288 bytes
Date 2012-07-26
File details
MD5 c80ea962f5075e3f3e749a9b0b641adc
SHA1 dc1fe69054f315a986f48b657354cfd3d77e36d8
SHA256 fde9f04bbc35a37fd3f5b65a9bd09b95fe9db05e22d8eeafa78cfdfc36f388ef
CRC32 5f5472f4
Example file location 1: C:\Windows\System32\en-GB\
Filename defragsvc.dll.mui
System Windows 7
File size 11264 bytes
Date 2011-04-12
File details
MD5 568a535316291869552104f80222353c
SHA1 2c0def966de82a057aebcf39ea1ae3b7067c6462
SHA256 c5543cd233ebe320d4b55cb78d47daea708a625d34d80b90cc839f71b40cb0c3
CRC32 e469c500
Example file location C:\Windows\System32\en-US\