The error is resolved. It was caused by the graphics card in my PC, a ATI Radeon 9200.
The following lists the steps to solve the problem suggested by the developement team:
REAL Illusion:
We provide a solution by editing windows registry for you to solved this issue
Follwo the steps below to edit the Windows Registry for CrazyTalk Animator
1) Click Start | Run | type Regedit.
2) Find the following key:
HKEY_LOCAL_MACHINE\SOFTWARE\Reallusion\CrazyTalk Animaotr \1.0\
3) And then you will find the key of Use AFT Fit
4) Double click to open it
5) Enter 0
6) Press OK
7)Open CrazyTalk Animator again