mapi32.dll.mui Troubleshoot and Download

Sometimes Windows system displays error messages regarding corrupted or missing mapi32.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 mapi32.dll.mui file can therefore effect in failed execution of the started process.

mapi32.dll.mui file Extended MAPI 1.0 for Windows NT. 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 mapi32.dll.mui related errors on your device. You can also download mapi32.dll.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 mapi32.dll.mui errors

1 Information about mapi32.dll.mui file
2 Errors related to mapi32.dll.mui file
3 How to fix mapi32.dll.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 mapi32.dll.mui

4.1 List of mapi32.dll.mui file versions

File info

General information
Filename	mapi32.dll.mui
File extension	MUI
Description	Extended MAPI 1.0 for Windows NT

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 mapi32.dll.mui file related problems

There are various types of errors related to mapi32.dll.mui file. mapi32.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 mapi32.dll.mui file. If you encounter one listed below (or similar), please consider the following suggestions.

mapi32.dll.mui is corrupted
mapi32.dll.mui cannot be located
Runtime Error - mapi32.dll.mui
mapi32.dll.mui file error
mapi32.dll.mui file cannot be loaded. Module was not found
cannot register mapi32.dll.mui file:
mapi32.dll.mui file could not be loaded
mapi32.dll.mui file doesn't exist

mapi32.dll.mui

Application could not be started because mapi32.dll.mui file is missing. Reinstall the application to solve the problem.

Problems related to mapi32.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 mapi32.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.

How to fix mapi32.dll.mui errors in just few steps?

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

mapi32.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

Windows files are commonly attacked by malicious software that prevents them from working properly. First step in addressing problems with mapi32.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.

Installing relevant Microsoft Windows patches and updates may solve your problems related to mapi32.dll.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 mapi32.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 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 mapi32.dll.mui file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the mapi32.dll.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 mapi32.dll.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 mapi32.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 mapi32.dll.mui file

The last solution is to manually download and replace mapi32.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 mapi32.dll.mui file.

Go to the folder where the file should be located and paste the downloaded file. Below is the list of mapi32.dll.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\SysWOW64\en-US\
Windows 7: C:\Windows\SysWOW64\en-US\
Windows Vista: ---
Windows Vista: ---

If the steps did not solve your mapi32.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 mapi32.dll.mui

System Windows 10

File size 53248 bytes

Date 2017-03-18

Download

File details
	MD5	cdba73bcb9cb1d842408ab21fe36c36d
	SHA1	5cfa29a96e77821c3b49ad71298b6a4076bd28f2
	SHA256	b409e96edfede6894e8eaac931f3a9243186615fc9fc07c4e770aafad6f59da7
	CRC32	5f99689b
	Example file location	C:\Windows\System32\en-US\

Filename mapi32.dll.mui

System Windows 8.1

File size 52736 bytes

Date 2014-11-21

Download

File details
	MD5	f2a1dce11fa2941a4d279b4f1e23fc41
	SHA1	30b71098da6b138e1a1a8b03135d11d9da7c06f8
	SHA256	d61d50df08dbfecbf35084cf1b802a27f2e0c834c5beb015cb78c5745add5b9b
	CRC32	7371eefa
	Example file location	C:\Windows\System32\en-US\

Filename mapi32.dll.mui

System Windows 8

File size 52736 bytes

Date 2012-07-26

Download

File details
	MD5	0032850cbc162973bbe3a5906f51e44b
	SHA1	822534f0b38b207c6e5d53ba6b67389e51e6a7b6
	SHA256	e06b894f702bb923bd75730adc68cfd5f6d33c252b97a3525e0016fe922767f7
	CRC32	ba53ab69
	Example file location	1: C:\Windows\System32\en-US\

Filename mapi32.dll.mui

System Windows 7

File size 52736 bytes

Date -0001-11-30

Download

File details
	MD5	c0b8b85b110e73c32cd3db7fee12d005
	SHA1	fe9699d11bb8bbf55ea75beebf4efc40104dc900
	SHA256	9386a444c54c31f02ef81d24c780feee47647cc321351d3b3b6abce138fd7daa
	CRC32	797ac920
	Example file location	C:\Windows\SysWOW64\en-US\

Filename mapi32.dll.mui

System Windows 7

File size 52736 bytes

Date 2011-04-12

Download

File details
	MD5	e3843a70e4cde1208fab7d9651298d25
	SHA1	89d7a24ea361cb96e53ba263d95ab73e786d33bf
	SHA256	66ae9b4aa315f130acec93703d60c10d81f421a4ebcb0e3524041542619293bd
	CRC32	8b7fbd7c
	Example file location	C:\Windows\SysWOW64\en-US\

Filename mapi32.dll.mui

System Windows Vista

File size 52224 bytes

Date 2006-11-02

Download

File details
	MD5	8f9b7e52dfbdaecb10cd8ba79c0943e5
	SHA1	6b611b04cc6236f97db62a16329b525fea84d4d8
	SHA256	88994ef5ff4ebd5aad791480ff31cbf720028653942551eba541a73fbe7d64fb
	CRC32	cd4c277f
	Example file location	---

Filename mapi32.dll.mui

System Windows Vista

File size 61440 bytes

Date -0001-11-30

Download

File details
	MD5	e2ba7ac8a275882a68ac5bd6ffcc5abd
	SHA1	bfd30d45a52dcf6b6572888312c20d8bc6321864
	SHA256	c23806ba14f70a9a6d9f60395216560f3871484f89fcd737ab4c5fcfd9c64922
	CRC32	d13fb860
	Example file location	---