[Visilogic can't handle Multibyte chars]

Hello, I changed my pc language from english to russian, and now Visilogic program in all projects shows table "Visilogic can't handle Multibyte chars". I tried to change pc language back to english, but table still apear. Maybe someone knows the problem? Thanks for help. 

[Problem after changing Windows 10 system language]

Hello, today I changed Windows 10 langue to Russian and after that change back to newest English ( United States ) version, and now all Unitronics VisiLogic programs show me this fault  "Language is not suported: Visilogic can't handle Multibyte chars" . Maybe you can tell what can I do in this situation.  Thank you.