Fix EventAggregation.dll Errors

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

EventAggregation.dll file Event Aggregation User Mode Library. 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 EventAggregation.dll related errors on your device. You can also download EventAggregation.dll file compatible with Windows 10, Windows 8.1 devices which will (most probably) allow you to solve the problem.

For Windows Compatible with: Windows 10, Windows 8.1

File info

General information
Filename EventAggregation.dll
File extension DLL
Description Event Aggregation User Mode Library
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 EventAggregation.dll file. EventAggregation.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 EventAggregation.dll file. If you encounter one listed below (or similar), please consider the following suggestions.

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



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


Problems related to EventAggregation.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 EventAggregation.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.

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

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

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

  • Windows 10: C:\Windows\System32\
  • Windows 8.1: C:\Windows\System32\

If the steps did not solve your EventAggregation.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 EventAggregation.dll
System Windows 10
File size 61440 bytes
Date 2017-03-18
File details
MD5 6dadb62061bf0f2789e7e45c7326b98f
SHA1 7fa9a5d9b7cd4be956f53b81518b921a10f11eeb
SHA256 77946225e1086b867229bb3090591d04605875c92c2afeb01238c52d5adfeafd
CRC32 0311c76a
Example file location C:\Windows\System32\
Filename EventAggregation.dll
System Windows 8.1
File size 22016 bytes
Date 2014-11-21
File details
MD5 1d071eb8fed10fcfb344f735f24f3c45
SHA1 d23802a4b795d3bb0b39e759f88cc72f77749d22
SHA256 76d8fa11ba652002cc89788faf5d76c8bcd38b5ca00b1cb378747e9a61d3d398
CRC32 b16123e0
Example file location C:\Windows\System32\