Troubleshoot runas.exe.mui Errors and Download File

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

runas.exe.mui file Run As Utility. 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 runas.exe.mui related errors on your device. You can also download runas.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

User popularity

Fix runas.exe.mui errors

1 Information about runas.exe.mui file
2 Errors related to runas.exe.mui file
3 How to fix runas.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 runas.exe.mui

4.1 List of runas.exe.mui file versions

File info

General information
Filename	runas.exe.mui
File extension	MUI
Description	Run As Utility

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 runas.exe.mui file related problems

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

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

runas.exe.mui

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

Problems related to runas.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 runas.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 runas.exe.mui errors in just few steps?

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

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

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

Go to the folder where the file should be located and paste the downloaded file. Below is the list of runas.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 runas.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 runas.exe.mui

System Windows 10

File size 7680 bytes

Date 2017-03-18

Download

File details
	MD5	c692fc98a2e2a960ae488e0eeec0ae23
	SHA1	19a65f5a9f25a1ff3e792603cbca2416b296b694
	SHA256	1e899e955cce53aa0d10b91f6a29588000322e35a27ca97399677788519ffa90
	CRC32	e7292a60
	Example file location	C:\Windows\System32\en-US\

Filename runas.exe.mui

System Windows 8.1

File size 7168 bytes

Date 2014-11-21

Download

File details
	MD5	b763cd80e34625faad88792b4fc6de55
	SHA1	d7370af238b1f3bd65f630fc44ebd3ede432ce3d
	SHA256	2be4a741160190a883c9b17ef10a83b95a7e9cc59b1f8c43d95a9e973aa4c6f4
	CRC32	f02c0c64
	Example file location	C:\Windows\System32\en-US\

Filename runas.exe.mui

System Windows 8

File size 7168 bytes

Date 2012-07-26

Download

File details
	MD5	dda49765b4e75735dab2aafb371ea44b
	SHA1	dfc3435170c9cc6df921b4987f2ac36d1c52d71c
	SHA256	51ab567253359394e88f0cf36e1f257acee7c720a23708c368c2eb45ae191488
	CRC32	515897d7
	Example file location	1: C:\Windows\System32\en-US\

Filename runas.exe.mui

System Windows 7

File size 7168 bytes

Date -0001-11-30

Download

File details
	MD5	1abe6ef64832567492014c0d58384122
	SHA1	38c6dacfeb87bfe01398457efc7d2e6558cd2528
	SHA256	650774909b62906723666e95b928985f01bc78e5e9c6746d8d524c9c3881564b
	CRC32	804a8fc7
	Example file location	C:\Windows\System32\en-US\

Filename runas.exe.mui

System Windows 7

File size 7168 bytes

Date 2011-04-12

Download

File details
	MD5	f82f1cd8127aa66127c6aa1b34e0643f
	SHA1	affe20bb0efa7184eb31dbd02f66c70101603d10
	SHA256	bed8892bdfc0e71a66291974499201ee9b20a85eed942416937c974c2b5a008d
	CRC32	47f2326c
	Example file location	C:\Windows\System32\en-US\

Filename runas.exe.mui

System Windows Vista

File size 7168 bytes

Date 2006-11-02

Download

File details
	MD5	8ec619d52e2e8b82bbc5d1edae8e50ff
	SHA1	e642d005d8448e5a8e810f97cf256d7dfc4f5eda
	SHA256	8f4c168c5eb6d84c8bcefe59efc0dadd2c91941fb4248b91bcbd96204e8a63cd
	CRC32	b62c1ab6
	Example file location	---

Filename runas.exe.mui

System Windows Vista

File size 7680 bytes

Date -0001-11-30

Download

File details
	MD5	9763ddd0eb17c73914d74372fce83685
	SHA1	1b91430a6768a92052b7a7660e5c1a95448baf82
	SHA256	ff669c7b0ec74f3f394d53aa5d25dac8b8e4eb19bb8a5f55bf1b18c8d6242ecd
	CRC32	613d52d5
	Example file location	---