Font problem

[nortonandreev]

Hey guys. I have a problem with the fonts. In Facebook, for example, Cyrillic names look like this:

Do you have any ideas for a possible solution?

 

[KALLT]

How is it supposed to look?

In Sierra, not all fonts are installed by default. Do you have a Cyrillic system language?

 

[nortonandreev]

I reset the settings in the Font Book and this fixed the problem.