AddInUtil.exe - Repair Issues and Download

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

AddInUtil.exe file Windows Executable. The file was developed by Microsoft for use with Windows software. Here you will find detailed information about the file and instructions how to proceed in the event of AddInUtil.exe related errors on your device. You can also download AddInUtil.exe file compatible with Windows 10, Windows 8.1, Windows 8, Windows 7, Windows 7 devices which will (most probably) allow you to solve the problem.

For Windows Compatible with: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows 7

File info

General information
Filename AddInUtil.exe
File extension EXE
Type Executable Application
Description Windows Executable
Program Windows 10
Software Windows
Author Microsoft
Software version 10
File size 42664
Oldest file 2010-11-21
Latest file 2017-03-18

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

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



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


Problems related to AddInUtil.exe 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 AddInUtil.exe 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.

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

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

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

  • Windows 10: C:\Windows\Microsoft.NET\Framework\v4.0.30319\
  • Windows 8.1: C:\Windows\Microsoft.NET\Framework\v4.0.30319\
  • Windows 8: 1: C:\Windows\Microsoft.NET\Framework\v4.0.30319\
  • Windows 7: C:\Windows\Microsoft.NET\Framework64\v3.5\
  • Windows 7: C:\Windows\Microsoft.NET\Framework64\v3.5\

If the steps did not solve your AddInUtil.exe 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 AddInUtil.exe
System Windows 10
File size 42664 bytes
Date -0001-11-30
File details
MD5 811ab721d8db2767cb9435492c3218fa
SHA1 84f33b4a7a651b146345ed819b451c86c4fd8264
SHA256 113eab03b75ab59af448fb2ec4a47e29f16b95679d83220fe0df87de64a2532a
CRC32 5f5f7ec3
Example file location C:\Windows\Microsoft.NET\Framework\v4.0.30319\
Filename AddInUtil.exe
System Windows 8.1
File size 42064 bytes
Date -0001-11-30
File details
MD5 43e30c65c93b30c38dd3723a3aa9f740
SHA1 9342b6ca4ae7ef6c579a44c77b0bbfb652d08f67
SHA256 05978159c28e93c7c5268f5f4cf1f55bad8a2c395589cef713cbfe0342100a8a
CRC32 0e09a388
Example file location C:\Windows\Microsoft.NET\Framework\v4.0.30319\
Filename AddInUtil.exe
System Windows 8
File size 41904 bytes
Date -0001-11-30
File details
MD5 8f3d190f28f8e0f843981d924811bf1a
SHA1 f3d423adfb18a29e39df261a8cdabb956f6085d0
SHA256 2a735b16fdf1ba9f842d3e87d958f57809c29c66501aefd67efdc7c3f5c7ce53
CRC32 76fe98c9
Example file location 1: C:\Windows\Microsoft.NET\Framework\v4.0.30319\
Filename AddInUtil.exe
System Windows 7
File size 38736 bytes
Date -0001-11-30
File details
MD5 60861bc7b51fceebe55e702978f94181
SHA1 26867720f439b9d3fb0821b6116800c7b702e0e7
SHA256 2c94a8a616ea3778d662690162f5380674a8fec65d364806d58e3e062b43863f
CRC32 0d905789
Example file location C:\Windows\Microsoft.NET\Framework64\v3.5\
Filename AddInUtil.exe
System Windows 7
File size 38736 bytes
Date -0001-11-30
File details
MD5 7a85072003bac69bf5d7b4864d18468b
SHA1 a0f7d289a212a2748867bdabcf5659034a6aef8f
SHA256 f501e669aac04b949394cfe741cc93aabf9e08f6e519f839c82e8ea8f0173569
CRC32 be622110
Example file location C:\Windows\Microsoft.NET\Framework64\v3.5\