mapistub.dll Informations - Download and Fix

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

mapistub.dll 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 mapistub.dll related errors on your device. You can also download mapistub.dll file compatible with Windows 10, Windows 8.1, Windows 8, Windows 7, Windows 7, Windows Vista, Windows Vista, Windows XP 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, Windows XP

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Fix mapistub.dll errors

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

4.1 List of mapistub.dll file versions

File info

General information
Filename	mapistub.dll
File extension	DLL
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 mapistub.dll file related problems

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

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

mapistub.dll

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

Problems related to mapistub.dll 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 mapistub.dll 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 mapistub.dll errors in just few steps?

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

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

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

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

Windows 10: C:\Windows\System32\
Windows 8.1: C:\Windows\System32\
Windows 8: 1: C:\Windows\System32\
Windows 7: C:\Windows\SysWOW64\
Windows 7: C:\Windows\SysWOW64\
Windows Vista: ---
Windows Vista: ---
Windows XP: ---

If the steps did not solve your mapistub.dll 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 mapistub.dll

System Windows 10

File size 94720 bytes

Date 2017-03-18

Download

File details
	MD5	1134e1f99eb567f8430780d5cad7bdc6
	SHA1	aa03d6dc32437cfc8e0537bd0b2655cc40201ff6
	SHA256	439dab0a89b9f0061710587e1547a25b2023bffdd103e3b8311ea910469e265b
	CRC32	0ef2ff06
	Example file location	C:\Windows\System32\

Filename mapistub.dll

System Windows 8.1

File size 89600 bytes

Date 2014-11-21

Download

File details
	MD5	7e1f98a1edbf8ef347b38ac5ad36c52e
	SHA1	5264ac4d3efb3cea509c66ac85b11350d8a5a05a
	SHA256	451a3f469dc9352de028f1212932a2d6650fcf994040c9d81e31cad93adfdc8b
	CRC32	830854be
	Example file location	C:\Windows\System32\

Filename mapistub.dll

System Windows 8

File size 82432 bytes

Date 2012-07-26

Download

File details
	MD5	ea2e47876a67a7764e4533a2c4d05687
	SHA1	9f546420253d587dd3eafe1d5a06c4534c7d832b
	SHA256	5c6cc127b1c8aeb775c364ecb6652c21bc17370b28145e4b032a67266b663348
	CRC32	4e99a19e
	Example file location	1: C:\Windows\System32\

Filename mapistub.dll

System Windows 7

File size 76800 bytes

Date -0001-11-30

Download

File details
	MD5	8bc9db92c4b2f3be89185beab2afc1f6
	SHA1	93682732273caa15ace8b5b5fb98e8be4e730069
	SHA256	4f40d5cce264290c8dd73a5766062a55ed4cf77d8f6b59d453ddb6f88b640d7e
	CRC32	e81b688f
	Example file location	C:\Windows\SysWOW64\

Filename mapistub.dll

System Windows 7

File size 91648 bytes

Date 2010-11-21

Download

File details
	MD5	8f4bb0cfeced925d440abc2481278360
	SHA1	659eeebc99b6220f9367ff70f650dbb38ca47689
	SHA256	0a87e7e1b38300e211f2eca10bfb9831cf79b128deb9d7ab0aa6a715197ff2dd
	CRC32	64b4a576
	Example file location	C:\Windows\SysWOW64\

Filename mapistub.dll

System Windows Vista

File size 66560 bytes

Date -0001-11-30

Download

File details
	MD5	98c77fd99f3db37b2c03f32b8f837b65
	SHA1	a30a9f3df4820a687dd63e93014f360bc5e1a562
	SHA256	f336058cd255f672e89b8680b114cc1c0aedd685d49de38bce1b76484bae931b
	CRC32	b45f7068
	Example file location	---

Filename mapistub.dll

System Windows Vista

File size 82944 bytes

Date 2006-11-02

Download

File details
	MD5	d5ea86c4f2533f5515c614138a120f22
	SHA1	742f79597255b460643f77d9ccbf6aeff009db31
	SHA256	5d0a7cf6fd456ec4ad73e331d2f3f500b4752bfde826472df5991e0c483ed273
	CRC32	4f57d88f
	Example file location	---

Filename mapistub.dll

System Windows XP

File size 112128 bytes

Date 2008-04-14

Download

File details
	MD5	e81bbe78a8ef85acd490b3e64ef63a7c
	SHA1	756273eb5b28904c98496d483c257bd12e6e4e50
	SHA256	8370cfa3febc8f74772538c17c1f153dd9d6a9dbbbca61ba2148880d713fc90d
	CRC32	4086ef48
	Example file location	---