EhStorAuthn.dll Informations - Download and Fix

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

EhStorAuthn.dll file Enhanced Storage Authentication Program. 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 EhStorAuthn.dll related errors on your device. You can also download EhStorAuthn.dll file compatible with Windows Vista, Windows Vista devices which will (most probably) allow you to solve the problem.

For Windows Compatible with: Windows Vista, Windows Vista

File info

General information
Filename EhStorAuthn.dll
File extension DLL
Description Enhanced Storage Authentication Program
Program Enhanced Storage
Software Windows
Author Microsoft
Software version Vista
MIME type application/octet-stream
File type Unknown
System Win32
Copyrights Copyright (C) 2008

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

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



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


Problems related to EhStorAuthn.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 EhStorAuthn.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.

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

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

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

  • Windows Vista: C:\Windows\SysWOW64\
  • Windows Vista: C:\Windows\SysWOW64\

If the steps did not solve your EhStorAuthn.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 EhStorAuthn.dll
System Windows Vista
File size 117248 bytes
Date -0001-11-30
File details
MD5 358a03a7a47f0ad71e84306ac635a626
SHA1 2e9e49af3fc3b721c1036048fb9eb140903a68ae
SHA256 2f09d2ba57d96b4a795bba0d143ce782bc09ac1583b67ad32ccf6b67ceb580b2
CRC32 d1bf9020
Example file location C:\Windows\SysWOW64\
Filename EhStorAuthn.dll
System Windows Vista
File size 121856 bytes
Date 2009-04-11
File details
MD5 e36e7bec7918708163143693884f6e77
SHA1 5443aea4679df58f30829242a4f352b66414bdf0
SHA256 af5d75af94178db315c51e2d127aa3571e31280b6c7485e42a86ea834f13bb0a
CRC32 95b0266c
Example file location C:\Windows\SysWOW64\