legion1978 on "[Plugin: LDD Directory Lite] yet another error 500"

hello..

looking forward to try this one, but when adding a new listing, it goes kaboom.

HTTP Error 500.0 - Internal Server Error
C:\php54\php-cgi.exe - The FastCGI process exited unexpectedly

WordPress 3.9.1
Operating System WINDOWS
PHP Version 5.4
IIS Version IIS 7.0
.NET Version ASP.Net 4.0/4.5

any help appreciated :)

https://wordpress.org/plugins/ldd-directory-lite/