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\EarMasterD10.2\unit...