Fix AxInstSv.dll Errors

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

AxInstSv.dll file ActiveX Installer Service. 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 AxInstSv.dll related errors on your device. You can also download AxInstSv.dll file compatible with Windows 10, Windows 8.1, Windows 8, 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

File info

General information
Filename AxInstSv.dll
File extension DLL
Description ActiveX Installer Service
Program Microsoft® Windows® Operating System
Author Microsoft Corporation
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.)

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

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



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


Problems related to AxInstSv.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 AxInstSv.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.

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

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

Go to the folder where the file should be located and paste the downloaded file. Below is the list of AxInstSv.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\System32\

If the steps did not solve your AxInstSv.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 AxInstSv.dll
System Windows 10
File size 88576 bytes
Date 2017-03-18
File details
MD5 a039a85ed633774ad5b9a9ecb14690be
SHA1 b520c49578c386857dd6ea0202d138e5a88a88df
SHA256 a29fb0e773608dffda45dfa5f8c04db4a2e477ee9bc84ee66d0590bbbe9d95ba
CRC32 7ccaca44
Example file location C:\Windows\System32\
Filename AxInstSv.dll
System Windows 8.1
File size 88576 bytes
Date 2014-11-21
File details
MD5 1161bfa3c3d9ef8e60ad749612c9081b
SHA1 5e97fd0fb725486d4ece353594f903ad00b566e8
SHA256 2028576649aef9191616a0d6731675e4d549b7aa3c7c412ebc0d611dbd46a0ca
CRC32 0bddd954
Example file location C:\Windows\System32\
Filename AxInstSv.dll
System Windows 8
File size 86528 bytes
Date 2012-07-26
File details
MD5 3f642d45ec0be2e4843c35a2a1aa93d5
SHA1 80fb0811f36ddeffe516d40657b69faf2e29623b
SHA256 2f00e40b6c0105d6ef9b1f37b7635e30197df5f6455da4af08d3f38e7a117f1a
CRC32 c5662320
Example file location 1: C:\Windows\System32\
Filename AxInstSv.dll
System Windows 7
File size 114688 bytes
Date 2010-11-21
File details
MD5 a6bf31a71b409dfa8cac83159e1e2aff
SHA1 8a129fb0b11488c3b17ba227a15323e8c159e580
SHA256 cbb83f73ffd3c3fb4f96605067739f8f7a4a40b2b05417fa49e575e95628753f
CRC32 44a0193b
Example file location C:\Windows\System32\