I can't switch the input method under Windows Vista

[Q] I can't switch the input method under Windows Vista. I installed the smart ABC input method. I can't switch the input method under Vista. I can only switch with Ctrl+space. Can't use Ctrl+Shift to switch
[Answer] Generally, this case is caused by the input method of the Windows system. The high-level language service is not started. You can solve the problem by adding the startup item of ctfmon.exe to the registry. At the same time, it is recommended that you use the smart ABC input method Vista version produced by Vista. The graphical one-click installation is designed for the intelligent ABC input method.