Ok that's good, it means that you deleted the folder properly.
This is a link to download a gnutella.net file. Download this & save the file to your computer.
zSHARE - gnutella.net
Make sure LW's closed.
Go back to that LimeWire folder. You deleted it & now there'll be a new one in it's place. Double click on the LimeWire folder to open it. Inside, you'll see a heap of files like these
See the file called gnutella.net (or gnutella)...delete that one. Leave the LimeWire folder open.
Now copy & paste the gnutella.net file that you downloaded into that folder. Once it's in there, close all those folders that you have open. Restart LW.