Ctfmon.exe is a Microsoft Office process that works with the Windows operating system. This process activates the language bar and alternative user input. It is a non- essential system process which runs in the background even after quitting all programs. This ctfmon.exe can be annoying, as even after disabling it, it remains in Task Manager.
I have find the solution of this problem and providing you the link: http://en.kioskea.net/faq/1780-windows-disable-ctfmon-exe-at-startup