Download AgentCtl.dll to Fix Errors

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

AgentCtl.dll file Microsoft Agent Control. 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 AgentCtl.dll related errors on your device. You can also download AgentCtl.dll file compatible with Windows Vista, Windows Vista, Windows XP devices which will (most probably) allow you to solve the problem.

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

File info

General information
Filename AgentCtl.dll
File extension DLL
Description Microsoft Agent Control
Program Microsoft Agent Control
Author Microsoft Corporation
MIME type application/octet-stream
File type Dynamic link library
System Win32
Copyrights Copyright (C) Microsoft Corp. 1997-98
Character set Unicode
Language cod English (U.S.)

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

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



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


Problems related to AgentCtl.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 AgentCtl.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.

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

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

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

  • Windows Vista: C:\Windows\MSAgent\
  • Windows Vista: C:\Windows\MSAgent\
  • Windows XP: C:\WINDOWS\system32\dllcache\

If the steps did not solve your AgentCtl.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 AgentCtl.dll
System Windows Vista
File size 227328 bytes
Date -0001-11-30
File details
MD5 3912a01876d359b367b5838ae4a13f3b
SHA1 ae8b1c2db52b68d18c091b5cffa0ea8d62481e2b
SHA256 cde54c9624f7c4379d39e5f6dd89bcfff2f799b47a36d0078ea2bef008879f49
CRC32 d6d32a7d
Example file location C:\Windows\MSAgent\
Filename AgentCtl.dll
System Windows Vista
File size 173056 bytes
Date -0001-11-30
File details
MD5 cabe146e5f880a162bdad0f496fb7c0a
SHA1 c980bfe7fb816a6ebeee93769941948e01c50995
SHA256 d77d911e49598fca71c9d26678c6dc315941f71c1edf077a67398883b82abc27
CRC32 6018199b
Example file location C:\Windows\MSAgent\
Filename AgentCtl.dll
System Windows XP
File size 214016 bytes
Date 2008-04-14
File details
MD5 7ac2e4204766364617db08f2b3b13f32
SHA1 ebfa3608b0ccf6f169bacbc3d8cf574a84c07bb8
SHA256 6fcff6c942593c732c5acd0c56f5c4b686c2d8fb8247734693c4a8f9c63c2636
CRC32 8ad6f974
Example file location C:\WINDOWS\system32\dllcache\