During the installation of Crash Magic several tools used by Crash Magic are also installed. One of these tools is a FO converter. This tool converts FO documents to PDF documents. The standard install of this tool uses fonts from the C:\Windows\Fonts\ directory. Some versions of windows have a different directory structure.
When the Crash Magic Configuration Editor is closed, the file locations are updated for Crash Magic. If the Configuration Editor is left open, or if the editor is not allowed to update the file locations errors can occur.