I can see the question marks (????) instead of the actual national characters (Arabic, Hebrew, Japanese, Korean, Russian, etc.) in some applications in Windows.
The corresponding national fonts are installed.
Windows settings for the non-Unicode programs.
Open Control Panel from the Start menu.
Open "Clock, Language, and Region".
Open "Change keyboards or other input methods" of "Region and Language".
Open "Change system locale..." of the "Administrative" tab.
If a dialog box (User Account Control) appears to ask your permission to continue,
Select the language of your choice from the drop-down menu.
Your default language will not change by selecting the language here.
- Restart Windows.