Problem with Greek characters in Widgets

Hello, i have a question for you.

I have downloaded wordpress widgets, like contact form 7 for example, and i want to use greek characters for Greek language.

But in greek characters show me this "????"

Can you suggest me a solution?


Thank you

Matenia

Hi!
Please, give us the URL of your website.

Hello, At that time i have installed one wordpress widget Contact form 7, this happens to all widgets with Greek characters.

My url: http://specialedu.gr/el/

See below contact form.

Thank you

Matenia

Hi!
This is not the problem of our theme. It is an encoding error. Please, try to find a solution here:

https://www.concrete5.org/community/forums/internationalization/unicode-characters-turn-into-question-marks/