Download and Fix eventcls.dll

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

eventcls.dll file Microsoft® Volume Shadow Copy Service event class. 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 eventcls.dll related errors on your device. You can also download eventcls.dll file compatible with Windows 10, Windows 8.1, Windows 8, Windows 7, Windows 7, Windows Vista, Windows Vista, Windows XP 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, Windows Vista, Windows Vista, Windows XP

File info

General information
Filename eventcls.dll
File extension DLL
Description Microsoft® Volume Shadow Copy Service event class
Program Microsoft® Windows® Operating System
Author Microsoft Corporation
MIME type application/octet-stream
File type Dynamic link library
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 eventcls.dll file. eventcls.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 eventcls.dll file. If you encounter one listed below (or similar), please consider the following suggestions.

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



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


Problems related to eventcls.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 eventcls.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.

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

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

Go to the folder where the file should be located and paste the downloaded file. Below is the list of eventcls.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\
  • Windows 7: C:\Windows\System32\
  • Windows Vista: ---
  • Windows Vista: ---
  • Windows XP: ---

If the steps did not solve your eventcls.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 eventcls.dll
System Windows 10
File size 15872 bytes
Date 2017-03-18
File details
MD5 fdd8fd7ec560be25cb9eeeab39ce6e05
SHA1 e4a148f060560dcd5034f686bfdd4de7ff769552
SHA256 0331ae734556ceebd853990c0629a04b2f3adce0c09e3ac230bc62ad95321783
CRC32 cda642d8
Example file location C:\Windows\System32\
Filename eventcls.dll
System Windows 8.1
File size 15360 bytes
Date 2014-11-21
File details
MD5 cb997c808adc38b3e99e05f55bd76f1f
SHA1 ce0c979923b8b3665b37a7d484e89d4bdd91151e
SHA256 bfc29a8fb0cced1dd36ecbdea72039804e87f0261c32a50b72d26fa19db340ef
CRC32 d3a6c9f5
Example file location C:\Windows\System32\
Filename eventcls.dll
System Windows 8
File size 15360 bytes
Date 2012-07-26
File details
MD5 85e6c3bd2a2f9a02e1c477de5d01ab60
SHA1 0019f9edd02af3e7c09a1cb2c10faa8a6429b87a
SHA256 6754f00805a5b152d0e31644910b2b05776f22bcc9c487df4bd3c1e9e74afd49
CRC32 026058c9
Example file location 1: C:\Windows\System32\
Filename eventcls.dll
System Windows 7
File size 16384 bytes
Date 2009-07-14
File details
MD5 6f21bdca64e8a581bef9b4e80423282c
SHA1 2add07e14d387cdae8c90e3f4b6d22f1e64dec15
SHA256 90cffc9fe29448202ed2dcb59089d425febf5185943f29853bdf923ceceffe35
CRC32 2dcb8365
Example file location C:\Windows\System32\
Filename eventcls.dll
System Windows 7
File size 16896 bytes
Date -0001-11-30
File details
MD5 bd0848635a7ff8cd3b24323b7b10fe77
SHA1 faadf6f59ff87ac6eacd8cf63fbb40bd29a16377
SHA256 ee48415028b3d51b5880f72897cf9146974bbc8ae5f40b8ad82e0362490f7aa7
CRC32 7aefc261
Example file location C:\Windows\System32\
Filename eventcls.dll
System Windows Vista
File size 19968 bytes
Date -0001-11-30
File details
MD5 197fe5c1fec75b1700ed92041707d5d1
SHA1 3c63fc7a7c2031f459205c4d43e2f640c715014e
SHA256 856aac249b25b73e1844f339476b4d62f87cb81d98f07a11fe7c478077871adb
CRC32 5e078b33
Example file location ---
Filename eventcls.dll
System Windows Vista
File size 24064 bytes
Date 2008-01-21
File details
MD5 84312b8ebf065399cf0fb3fbb7df51fa
SHA1 33482f6be33b1e968942e508a076695be1791f13
SHA256 72fca7ef58353273d122d8b1485a50bdeae3b9aed9f6d57f0dc3bae137643eb5
CRC32 f40d4b07
Example file location ---
Filename eventcls.dll
System Windows XP
File size 33280 bytes
Date 2008-04-14
File details
MD5 4f866cb807f44e77f65ae716f49ed530
SHA1 2d5fd828cf78406b90997f10d2dceeef277413f3
SHA256 1dd3912d9dd71638521ea0d36effb04509579ca244a43f7de887b74eb2ac4fc2
CRC32 a52db9fd
Example file location ---