There is no reaction of language switch key in language bar, or the language bar disappears and unable to switch the input language from Korean to English in Windows 7 and Windows Vista.
Following issues can cause problems.
There is an error in registering the library module relating to language bar.
task scheduler service is stopped or MSCtfMonitordid not run.
How do I fix
Method 1: reregister the library module relating to language bar
Click [Start] and enter cmdIn the search window.
Right-click [cmd] in the list of program lists, and click [Run as Administrator].
When the user account control message appears, type the administrator password, or click [Yes].
Type egsvr32.exe msimtf.dll at the command prompt screen, and then press Enter.
"When you receive the message "DllRegisterServer in msimtf.dll is successful.", click [OK].
Type regsvr32.exe msctf.dll and then press Enter.
"When you receive the message "DllRegisterServer in the msctf.dll is successful." click [OK].
Type exitand then press Enter to close the command prompt.
Restart your computer and check if the problem is solved.
Method 2: start the task scheduler service, and then run MSCtfMonitor.
Please see the following technical article to solve the problem.
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