I find my problem. I had emoji as login in system.

Hi, thanks for excellent app.

I have an errors when i trying change settings and when starting app:

tXMLuser.LoadFromXMLStream
A name started with an invalid character.
Line: 7
<firstname>👨🏼‍💻</fi

AND

You cannot save a user that has not been fully loaded! User=👨🏼‍💻 (C:\Sourcecode\EarMasterD10 ...