Here's the link:
http://www.vladd44.com/mx/piepatch.php I installed it and watched it with a network analyser and it didn't seem to be doing anything unusual.
Basically some tech guys figured out a workaround for the problem of the main WinMX site being shut down. Searches are slower and a little more sparse than they used to be, but I was able to complete some files I had started before the shutdown.