Font Rendering Problem

Briefly describe your issue below:
The system font wont render on some application, like the screenshot attached below.

image

What version of Parrot are you running? (include version (4.9), edition(e.g. Security//KDE)

What method did you use to install Parrot? (Debian Standard)

Configured to multiboot with other systems? (yes)

Well, first of all, try changing font for that application itself
or if it affected other applications and system functionalities as well, you can follow this

there are other fixes as well
try to configure all locales and fontconfigs