Weird text help ??

hello I am trying to read/use a program that is in another language but these weird characters show up

example: ????

and I do not now how to fix it. I am looking through them in the Character map and it seems to be happen in multiple languages (Chinese, Japanese, Hebrew)

I have a feeling that is might have something to do with the Unicode but I'm not sure.

if anybody know what the problem is could you please help me out.

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thank you.