Some font files are not register while installing the application, these font file are installing at location ie C:\WINDOWS\Fonts, but not get register, because Fonts are not associated in Fonts table of .MSI file, as a result is fonts are not coming under font's option. These fonts are registered after hitting the Fonts folder under the location C:\WINDOWS\Fonts, so it is not a proper registration of Font files.
For proper registration of Font File us the below steps:
Associating Font file in .MSI file
1)Open the .MSI
2)Go to Font table
3)Under File column select the .TTF files from drop down menu.
4)Under FontTitle column specify Font Title if required.
Note: Extension of Font file is .TTF