Fluent Start up Error, Please help

Hi everybody,
I have installed the ANSYS 14 package, All the included softwares are working properly except Fluent.
during start up the following message appears:

Loading "C:\...\lib\fl_s1119.dmp"
done.

No error handler available.
Error encountered in critical code section

Hit return to exit.

Would you please help me with that?
Thank you very much in advance.
Looking forward to your answers