Download modem.sys.mui to Fix Errors

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

modem.sys.mui file Modem Device Driver. 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 modem.sys.mui related errors on your device. You can also download modem.sys.mui file compatible with Windows 10, Windows 8.1, Windows 8, Windows 7, 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 Vista

User popularity

Fix modem.sys.mui errors

1 Information about modem.sys.mui file
2 Errors related to modem.sys.mui file
3 How to fix modem.sys.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 modem.sys.mui

4.1 List of modem.sys.mui file versions

File info

General information
Filename	modem.sys.mui
File extension	MUI
Description	Modem Device Driver

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.)

Most common modem.sys.mui file related problems

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

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

modem.sys.mui

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

Problems related to modem.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 modem.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.

How to fix modem.sys.mui errors in just few steps?

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

modem.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

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

Installing relevant Microsoft Windows patches and updates may solve your problems related to modem.sys.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 modem.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 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 modem.sys.mui file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the modem.sys.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 modem.sys.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 modem.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 modem.sys.mui file

The last solution is to manually download and replace modem.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 modem.sys.mui file.

Go to the folder where the file should be located and paste the downloaded file. Below is the list of modem.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\
Windows Vista: C:\Windows\System32\drivers\en-US\

If the steps did not solve your modem.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 modem.sys.mui

System Windows 10

File size 4096 bytes

Date 2017-03-18

Download

File details
	MD5	f3b40ae2c6b059352347778d92ce047f
	SHA1	48887723d8182c0a4cd908050f0d37c97c0156d7
	SHA256	da12f461da7665f2e8c869a426df9d48c5b6db7e92b30705f3e4908d8f57157e
	CRC32	fe315b24
	Example file location	C:\Windows\System32\drivers\en-US\

Filename modem.sys.mui

System Windows 8.1

File size 3584 bytes

Date 2014-11-21

Download

File details
	MD5	14c735491d0b03cd54d429dd35bed47a
	SHA1	f487da03e15011cfb744063be2d623b3e28b1163
	SHA256	1b3479111e941584b56882bb2295bbc3bef68c48b1b6767313eb65cb97d553cf
	CRC32	309b4abc
	Example file location	C:\Windows\System32\drivers\en-US\

Filename modem.sys.mui

System Windows 8

File size 3584 bytes

Date 2012-07-26

Download

File details
	MD5	b1bdc09eac02563474eb5f2c16f8ef6d
	SHA1	36717c4978ee0385c2c17a02e7ad350d53a13860
	SHA256	18d05af173d695898efdf54a5e54612d5f1259754815d253a526463a68114a04
	CRC32	a3fba283
	Example file location	1: C:\Windows\System32\drivers\en-US\

Filename modem.sys.mui

System Windows 7

File size 3584 bytes

Date 2011-04-12

Download

File details
	MD5	b9d5d5c08d86e45933607821949f64a3
	SHA1	ed8b7e7871116b98f79aba869a4fd24cd9e5c9e4
	SHA256	4b92d49722c5af6ab7756acb52475c9cb0e3d194f5de9596df1ddb602f56594e
	CRC32	61139475
	Example file location	C:\Windows\System32\drivers\en-US\

Filename modem.sys.mui

System Windows Vista

File size 3584 bytes

Date 2006-11-02

Download

File details
	MD5	825c6ca914e306dea2d9414a23ab7c35
	SHA1	fa460f699381f334e9f72c1cc46570b40a15a91d
	SHA256	f59d6d95ccdaaee554597721e6589a597c081ca4d60896875d27b5af4e11292b
	CRC32	4761a7ee
	Example file location	C:\Windows\System32\drivers\en-US\