What is MsnChatHook.dll?

MsnChatHook.dll is a Windows DLL file. DLL is the abbreviation for Dynamic Link Library. DLL files are needed by programs or web browser extensions, because they contain program code, data, and resources. The following information can help you determine if MsnChatHook.dll is a Windows system file or if it belongs to an application that you can trust.

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MsnChatHook.dll file information

The process known as MsnChatHook or MsnChatHook Dynamic Link Library belongs to software Acer eDataSecurity Management or MsnChatHook Dynamic Link Library by HiTRUST (

Description: MsnChatHook.dll is not essential for Windows and will often cause problems. The MsnChatHook.dll file is located in the C:\Windows\System32 folder. Known file sizes on Windows 10/8/7/XP are 94,208 bytes (89% of all occurrences) or 37,376 bytes. 
A .dll file (Dynamic Link Library) is a special type of Windows program containing functions that other programs can call. This .dll file can be injected to all running processes and can change or manipulate their behavior. The program has no visible window. There is no detailed description of this service. It can change the behavior of other programs or manipulate other programs. The MsnChatHook.dll file is not a Windows system file. The process can be removed using the Control Panel's Add\Remove programs applet. MsnChatHook.dll is able to record keyboard and mouse inputs, monitor applications and manipulate other programs. Therefore the technical security rating is 53% dangerous; however you should also read the user reviews.

Uninstalling this variant: You can ask for help from Support or safely remove the program using the uninstall program of Acer eDataSecurity Management (Control Panel ⇒ Uninstall a Program).

Recommended: Identify MsnChatHook.dll related errors

Important: Some malware camouflages itself as MsnChatHook.dll. Therefore, you should check the MsnChatHook.dll process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.


User Comments

On my Acer Aspire, Vista system it's in \System32 and is 92KB. It's made by HiTRUST Inc
it does not show up on the program list and you cannot remove it by 'delete' nor acer security from the directory
All i know is that it prevents my Music Converter from converting more than 20 to 30 tracks. i cant seem to delete it, i dont want it i dont need chat hook anyways.
  Big Mike  

Summary: Average user rating of MsnChatHook.dll: based on 2 votes with 3 user comments. 2 users suspect danger. 3 users don't grade MsnChatHook.dll ("not sure about it").

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Best practices for resolving MsnChatHook issues

A clean and tidy computer is the key requirement for avoiding problems with MsnChatHook. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the 6resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the MsnChatHook.dll process on your computer, the following programs have proven to be helpful: ASecurity Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. BMalwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

MsnChatHook.dll [all]