What is msimtf.dll?

The genuine msimtf.dll file is a software component of Microsoft Windows Operating System by Microsoft.
The primary dynamic link library supporting the Microsoft Active Input Method Manager. This DLL is an ActiveX control that allows for interpretation of Asian characters and inputs on non-Asian systems. It also provides API support for applications that require taking advantage of Asian keyboard support in Windows.

MsIMTF stands for Microsoft Active Input Message Manager Task Filter

Msimtf.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. You can fix your msimtf.dll problem by downloading the correct msimtf.dll file. The following information can help you determine if msimtf.dll is a Windows system file or if it belongs to an application that you can trust.

Click to Run a Free Scan for msimtf.dll related errors

Msimtf.dll file information

The process known as Active IMM Server DLL belongs to software Microsoft Windows Operating System or Security Update for Microsoft .NET Framework by Microsoft (

Description: Msimtf.dll is not essential for the Windows OS and causes relatively few problems. The file msimtf.dll is located in the C:\Windows\System32 folder. Known file sizes on Windows 10/8/7/XP are 143,872 bytes (50% of all occurrences), 159,232 bytes or 152,576 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. The msimtf.dll file is not a Windows system file. Msimtf.dll is a trustworthy file from Microsoft. The file is able to record keyboard inputs. Msimtf.dll is able to record keyboard and mouse inputs. Therefore the technical security rating is 59% dangerous; however you should also read the user reviews.

Uninstalling this variant: If you experience any issues with installation of msimtf.dll, you can do the following:
  1) uninstall the program using the Control Panel ⇒ Uninstall a ProgramSecurity Update for Microsoft .NET Framework
  2) go to the support area of the Microsoft website.

Recommended: Identify msimtf.dll related errors

Important: Some malware disguises itself as msimtf.dll, particularly when not located in the C:\Windows\System32 folder. Therefore, you should check the msimtf.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

msimtf.dll is part of Windows (Active IMM Server DLL).
Archivo oculto: MSIMTFF.DLL DE 170 Diferente al MSIMTF.DLL ¿Es normal este archivo? Dicen que no deben aparecer archivos con extensión diferente a .manifest. Microsoft Windows XP [Versión 5.1.2600] (C) Copyright 1985-2001 Microsoft Corp. C:\ cd win*/system32 C:\WINDOWS\system32 dir /ah El volumen de la unidad C es 55GB El número de serie del volumen es: C82C-05DE Directorio de C:\WINDOWS\system32 13/01/2015 15:20 749 cdplayer.exe.manifest 02/02/2015 22:12 DIR GroupPolicy 01/03/2015 16:34 DIR Microsoft 16/10/2015 14:12 176.128 MSIMTFF.dll 13/01/2015 15:20 488 WindowsLogon.manifest 3 archivos 177.365 bytes 2 dirs bytes libres

Summary: Average user rating of msimtf.dll: based on 2 votes with 2 user comments. 2 users think msimtf.dll is essential for Windows or an installed application.

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Best practices for resolving msimtf issues

A clean and tidy computer is the key requirement for avoiding problems with msimtf. This means running a scan for malware, cleaning your hard drive using cleanmgr and sfc /scannow, uninstalling programs that you no longer need, checking for Autostart programs (using msconfig) and enabling Windows' Automatic 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 resmon 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 DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the msimtf.dll process on your computer, the following programs have proven to be helpful: Security 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. Malwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

msimtf.dll [all]