What is ctfmon .exe?

The genuine ctfmon .exe file is a software component of Microsoft Windows Operating System by Microsoft.
The file works with the language/alternative keyboard options in Office. It monitors the active windows and provides text input support for speech and handwriting recognition, keyboard and translation. Microsoft does not recommend removing ctfmon.exe as this is known to cause behavioural issues with Office.

ctfmon stands for Clear Type Font Loader Monitor

The .exe extension on a filename indicates an executable file. Executable files may, in some cases, harm your computer. Therefore, please read below to decide for yourself whether the ctfmon .exe on your computer is a Trojan that you should remove, or whether it is a file belonging to the Windows operating system or to a trusted application.

Click to Run a Free Scan for ctfmon .exe related errors

Ctfmon .exe file information

The process known as CTF Loader belongs to software Microsoft Windows Operating System by Microsoft (

Description: Ctfmon .exe is not essential for the Windows OS and causes relatively few problems. Ctfmon .exe is located in the C:\Windows\System32 folder. Known file sizes on Windows 10/8/7/XP are 15,360 bytes (60% of all occurrences), 13,312 bytes or 25,088 bytes. 
The program has no visible window. The ctfmon .exe file is not a Windows core file. Ctfmon .exe is located in the Windows folder, but it is not a Windows core file. Therefore the technical security rating is 36% dangerous.

Recommended: Identify ctfmon .exe related errors

If ctfmon .exe is located in the C:\Windows folder, the security rating is 72% dangerous. The file size is 1,897,160 bytes. Ctfmon .exe is a file with no information about its developer. The program is not visible. Ctfmon .exe is an unknown file in the Windows folder. The file is not a Windows core file.

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


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Best practices for resolving ctfmon issues

A clean and tidy computer is the key requirement for avoiding problems with ctfmon . 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 ctfmon .exe 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

ctfmon .exe [all]