If you happen to experience this problem, might want to try the method mentioned in the link below
http://www.sysprobs.com/language-bar-missing-vista-windows-7
Basically is to add one more entry in
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
with the following string value "ctfmon"="CTFMON.EXE"
After that, restart your machine.