üäöß not installed

I try this program. But there are problems to install ü,ö,Ü,Ö,ß. I read that must be a problem with the Unicode. But can not find the problem. Could someone help me. Thank you.

Which version of FontCreator do you have?

There is no problem with installing fonts with a wide range of Unicode glyphs.

I have FontCreator 7.0

Is it registered?