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Download and Fix MSONSEXT.DLL

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

MSONSEXT.DLL file Microsoft Web Folders. 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 MSONSEXT.DLL related errors on your device. You can also download MSONSEXT.DLL file compatible with Windows XP, Windows XP, Windows XP devices which will (most probably) allow you to solve the problem.

For Windows Compatible with: Windows XP, Windows XP, Windows XP
User popularity

Fix MSONSEXT.DLL errors

File info

General information
Filename MSONSEXT.DLL
File extension DLL
Description Microsoft Web Folders
Software
Program SharePoint Portal Server
Author Microsoft Corporation
Details
MIME type application/octet-stream
File type Dynamic link library
System Windows NT 32-bit
Copyrights Copyright (c) 2001-2003 Microsoft Corporation. All rights reserved.
Character set Unicode
Language cod English (U.S.)
MSONSEXT.DLL

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

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

MSONSEXT.DLL

Error

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

OK

Problems related to MSONSEXT.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 MSONSEXT.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.

MSONSEXT.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

Virus Scan

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

Windows Update

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

  1. Go to the Windows "Start" menu
  2. Type "Windows Update" in the search field
  3. Choose the appropriate software program (name may vary depending on your system version)
  4. Check if your system is up to date. If any unapplied updates are listed, install them immediately.
  5. 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 MSONSEXT.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

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 MSONSEXT.DLL file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the MSONSEXT.DLL file with properly working version. To use the tool:

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

Step 4: Restoring Windows system

Windows Recovery

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

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

If all the above-mentioned methods failed and the MSONSEXT.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 MSONSEXT.DLL file

The last solution is to manually download and replace MSONSEXT.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 MSONSEXT.DLL file.

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

  • Windows XP: C:\Program Files\Common Files\Microsoft Shared\Web Folders\
  • Windows XP: C:\Program Files\Common Files\Microsoft Shared\Web Folders\
  • Windows XP: C:\Program Files\Common Files\Microsoft Shared\Web Folders\

If the steps did not solve your MSONSEXT.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 MSONSEXT.DLL
System Windows XP
File size 561209 bytes
Date 2001-05-20
Download
File details
MD5 69f2733298c69cbe2ab585d245659a9b
SHA1 5cfc123ee5c769fe9c4016107b643bf8538cb2b5
SHA256 f112a9cdab27013174c2f2e839c6e9ca150c65d43b768496e9c3c90d1efcf865
CRC32 68f39c19
Example file location C:\Program Files\Common Files\Microsoft Shared\Web Folders\
Filename MSONSEXT.DLL
System Windows XP
File size 1292872 bytes
Date 2017-05-10
Download
File details
MD5 bdbf48d13c5343cced93e675effdb72c
SHA1 58332f29899fe79001b2be30f72ee897388b8930
SHA256 dcf5ec17efedaccc1a6ba4f8aeaa829e1b6306b4d8387a68792d8356d164ee85
CRC32 d771338c
Example file location C:\Program Files\Common Files\Microsoft Shared\Web Folders\
Filename MSONSEXT.DLL
System Windows XP
File size 1318912 bytes
Date 2017-05-10
Download
File details
MD5 77264964a2b836234341006159fe89a3
SHA1 fc67f05c0b3c5eeb20109c89fa3c990ff2f12f4f
SHA256 99c660261f9f015ea3f87ae52259d7578d183e804a8ae02df89f7bfce85892f8
CRC32 950e9d8f
Example file location C:\Program Files\Common Files\Microsoft Shared\Web Folders\