Yes, she is working on a new installer presently but using different installer software. She may take a little time learning how to use the new installer maker software however.
In meantime, you can use fresh gnutella.net file from here:
Gnutella.net. Click
Request Download Ticket, then
Download button on following page in exact same location of the page.
To replace your old gnutella.net file, see instructions here
Replacing the gnutella.net file in the LW Preferences folder for Mac OSX