1.  Make sure the Letter Gothic Fonts are registered on this computer. close out of the KSS program and then go to your Control Panel in Windows. Click on the fonts folder and find the Letter Gothic Fonts. If the fonts are not installed, see item #2.  To register the font, just double click on each letter gothic font to preview, then close the font preview window.

2. To install the fonts, copy the 4 Letter Gothic fonts onto this computer from another computer that has them installed.  Open up the Fonts folder on this computer and go to File -> install new fonts. 

3. If the fonts are intalled but preview blank, delete the existing letter gothic fonts and reinstall them. Reboot your computer after reinstalling.