AUTHZAX.DLL - How to Fix? Download Now

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

AUTHZAX.DLL file Dynamic Link Library. The file was developed by Microsoft for use with Office software. Here you will find detailed information about the file and instructions how to proceed in the event of AUTHZAX.DLL related errors on your device. You can also download AUTHZAX.DLL file compatible with Windows 7, Windows 7, Windows Vista, Windows XP devices which will (most probably) allow you to solve the problem.

For Windows Compatible with: Windows 7, Windows 7, Windows Vista, Windows XP

File info

General information
File extension DLL
Type Dynamic Link Library
Description Dynamic Link Library
Program Office 2010
Software Office
Author Microsoft
Software version 2010
File size 69000
Oldest file 2017-05-10
Latest file 2017-05-10

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

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



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


Problems related to AUTHZAX.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 AUTHZAX.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.

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

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

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

  • Windows 7: C:\Program Files\Microsoft Office\Office14\
  • Windows 7: C:\Program Files\Microsoft Office\Office14\
  • Windows Vista: C:\Program Files (x86)\Microsoft Office\Office12\
  • Windows XP: C:\Program Files\Microsoft Office\OFFICE11\

If the steps did not solve your AUTHZAX.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

System Windows 7
File size 69000 bytes
Date -0001-11-30
File details
MD5 6d7aaaadf2bb5a485c9af58f73641379
SHA1 0cf59ade584b41a987cd256172633d5f78bdd64d
SHA256 21bd2da73c0fd41e35999b01e695e8187741812a138494ad4b2d3c4e5241937d
CRC32 254b7264
Example file location C:\Program Files\Microsoft Office\Office14\
System Windows 7
File size 54152 bytes
Date 2017-05-10
File details
MD5 a1ec37a3cb2d13549fe50e2e99d18b7b
SHA1 678c582d6f2e268148531ec96da44c3a39e5d863
SHA256 2d060f0a0950563541ff42791ffa808b8f067a4062d58616e81810fa25758748
CRC32 099bbf19
Example file location C:\Program Files\Microsoft Office\Office14\
System Windows Vista
File size 53576 bytes
Date 2017-05-10
File details
MD5 525697973dc89b8bec539c8e4568b7ff
SHA1 58341cd679f885c151ca20c67fe1f51f1f0e37a9
SHA256 9d2a2db99cc8b3ee61dfb88334813376d1739dfc1b6190c2f535b4c26142c6b5
CRC32 374e46e3
Example file location C:\Program Files (x86)\Microsoft Office\Office12\
System Windows XP
File size 38968 bytes
Date 2017-05-10
File details
MD5 7e6a91bf4ae64656ddb60a3df96a2a18
SHA1 e666200f9e8467bd4de7405712a7dda1f489413f
SHA256 2a00a75cc54e7717826719a7ad258c97163f6695128ba21914acc8e3507a5b44
CRC32 a4df40e6
Example file location C:\Program Files\Microsoft Office\OFFICE11\