The "Arial Normal Western Panose Default Font" seems to refer to the standard Arial font with the following characteristics:
Ensuring a document looks the same on a Mac as it does on a PC. Arial Normal Western Panose Default Font Free LINK Download
By using the legacy Microsoft Core Fonts method (the arial32.exe extraction), you are downloading the gold standard—the same 2.82 MB file that has powered billions of documents since 1996. The "Arial Normal Western Panose Default Font" seems
Use the trusted SourceForge or Debian repository links provided, install the arial.ttf file, and your system will once again recognize the world’s most famous default font. install the arial.ttf file
Each of these will act as a seamless “default normal western” substitute.