How to Download and Fix rundll32.exe.mui?

Sometimes Windows system displays error messages regarding corrupted or missing rundll32.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 rundll32.exe.mui file can therefore effect in failed execution of the started process.

rundll32.exe.mui file Windows host process (Rundll32). 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 rundll32.exe.mui related errors on your device. You can also download rundll32.exe.mui file compatible with Windows 10, Windows 8.1, Windows 8, Windows 7, Windows 7, Windows Vista, Windows Vista devices which will (most probably) allow you to solve the problem.

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

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Fix rundll32.exe.mui errors

1 Information about rundll32.exe.mui file
2 Errors related to rundll32.exe.mui file
3 How to fix rundll32.exe.mui related errors?

3.1 Scanning for malicious software
3.2 System and driver update
3.3 System File Checker tool
3.4 System recovery

4 Download rundll32.exe.mui

4.1 List of rundll32.exe.mui file versions

File info

General information
Filename	rundll32.exe.mui
File extension	MUI
Description	Windows host process (Rundll32)

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.)

Most common rundll32.exe.mui file related problems

There are various types of errors related to rundll32.exe.mui file. rundll32.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 rundll32.exe.mui file. If you encounter one listed below (or similar), please consider the following suggestions.

rundll32.exe.mui is corrupted
rundll32.exe.mui cannot be located
Runtime Error - rundll32.exe.mui
rundll32.exe.mui file error
rundll32.exe.mui file cannot be loaded. Module was not found
cannot register rundll32.exe.mui file:
rundll32.exe.mui file could not be loaded
rundll32.exe.mui file doesn't exist

rundll32.exe.mui

Application could not be started because rundll32.exe.mui file is missing. Reinstall the application to solve the problem.

Problems related to rundll32.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 rundll32.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.

How to fix rundll32.exe.mui errors in just few steps?

Remember, before taking any action related to system files perform a backup copy of your data!

rundll32.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

Windows files are commonly attacked by malicious software that prevents them from working properly. First step in addressing problems with rundll32.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.

Installing relevant Microsoft Windows patches and updates may solve your problems related to rundll32.exe.mui file. Use dedicated Windows tool to perform the update.

Go to the Windows "Start" menu
Type "Windows Update" in the search field
Choose the appropriate software program (name may vary depending on your system version)
Check if your system is up to date. If any unapplied updates are listed, install them immediately.
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 rundll32.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 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 rundll32.exe.mui file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the rundll32.exe.mui file with properly working version. To use the tool:

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

Step 4: Restoring Windows system

Another approach is to restore system to previous state, before the rundll32.exe.mui file error occured. In order to restore your system, follow the instructions below

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

If all the above-mentioned methods failed and the rundll32.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 rundll32.exe.mui file

The last solution is to manually download and replace rundll32.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 rundll32.exe.mui file.

Go to the folder where the file should be located and paste the downloaded file. Below is the list of rundll32.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\
Windows Vista: ---
Windows Vista: ---

If the steps did not solve your rundll32.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 rundll32.exe.mui

System Windows 10

File size 3072 bytes

Date 2017-03-18

Download

File details
	MD5	0a0068b12396b3d19dd83038adfe29ce
	SHA1	9b57800e8970f6445d312355935fcc10947269d3
	SHA256	8658e06f27a49a900e4a53de95371bfbdacbd4805ba00bd5ee2ef75cd1da8e71
	CRC32	388e2c26
	Example file location	C:\Windows\System32\en-US\

Filename rundll32.exe.mui

System Windows 8.1

File size 2560 bytes

Date 2014-11-21

Download

File details
	MD5	f956840ee34a8eff9370c0a5b48d3a1d
	SHA1	173d1e362362e5e9fbc07e7cd88e5c9ce9de1112
	SHA256	4cca4aec96bb4b8f97890480678be16df316b9bbfa74fd468a2f31c9be37b102
	CRC32	5e90cf3b
	Example file location	C:\Windows\System32\en-US\

Filename rundll32.exe.mui

System Windows 8

File size 2560 bytes

Date 2012-07-26

Download

File details
	MD5	ac52b57a4d0107fd8300425f28c1a0c6
	SHA1	74ea649465f3b1911bf8cc2b48e39465394dbd0f
	SHA256	19a6a69ed308e3bfc1408a37be3c6e02403db4dfa972cdec4e968ada0fbb8940
	CRC32	fad83bb6
	Example file location	1: C:\Windows\System32\en-US\

Filename rundll32.exe.mui

System Windows 7

File size 2560 bytes

Date 2011-04-12

Download

File details
	MD5	416f8a4426220b2bb60038289323422f
	SHA1	af2fb90a1aba43eee9b29d0f1d7a7dd659867442
	SHA256	3851835ba8f0dc03305836fa08779aa4058599677bf0cd58208ee5b11d55d07b
	CRC32	912e541b
	Example file location	C:\Windows\System32\en-US\

Filename rundll32.exe.mui

System Windows 7

File size 2560 bytes

Date -0001-11-30

Download

File details
	MD5	bf164444875af45d34936684df87cf40
	SHA1	20e4ae99bf90fa90599036adc83b86b7774d38e3
	SHA256	05a75f8a6a13238026c258c58703f3e0ead07412c59d7c258718030a41c147a4
	CRC32	4b86ec91
	Example file location	C:\Windows\System32\en-US\

Filename rundll32.exe.mui

System Windows Vista

File size 2560 bytes

Date 2006-11-02

Download

File details
	MD5	1d081ac21359c3a42b0b46191f0ada13
	SHA1	e32b04524f3f5cc215a22aa8ad3a1f8b1550f8a0
	SHA256	e1496d8686b166fd744a5847135d80de3d512797e3af1d186076a5ce94aec716
	CRC32	21cd300b
	Example file location	---

Filename rundll32.exe.mui

System Windows Vista

File size 3072 bytes

Date -0001-11-30

Download

File details
	MD5	e23ee8b895bf05358427768c62a06c9b
	SHA1	7590fe29e9e0163b7d7f24b386f902998b4d7108
	SHA256	c007828f0b9ec1e04e2d3b967215a8e2d4a57fed67610fb5e239fff26f7a661f
	CRC32	d3e51b1a
	Example file location	---