font issues

Hi all, I have an issue with windows 10 Mail app. Every text that is written in Armenian language being shown as boxes or question marks inside the box, But only inside Mail app and only inside that message. If I will copy it and paste somewhere else, doesn't matter where, normal text...

I have Ue4 version 4.22.3 In this vesion when I change the location,rotation,scale etc of a mesh by inputting number.It displays the Numbers.But when I press enter and apply them It doesn't display them.It displays them like the font has been missing.So how to fix this problem?

So the font on all of my browsers has been changed to a really bad one. The font seems to only affect: Markdown text Certain elements of it Here is an example picture in markdown. (Using Jupyter notebook on chrome) As you can see headings and bold are affected the worst here. Any ideas on...