That would only work if you changed your view settings to show hidden files and folders.
You said you were unsure which of two LimeWire folders were the ones you should delete. If you right-click each of them and choose Properties, it should say the location of the folder. If it is the correct one, then right-click the LimeWire folder and choose Delete.

If you were a MacOSX user I could write an applescript to do it for you and reinstall a fresh connection file and then launch LW in one go. lol :D

Are there 2 folders named LimeWire, or is one named LimeWire & one named limewire (or something like that)?

The way the folders are named could help to give us a clue as to what's happening - so the exact spelling of the folder name can be important.

And are they both folders, or is one possibly a file & one a folder?

When I do the appdata thing, I only get one Limewire folder now. This is what's inside.

Browser
Mozilla Profile
xml
createtimes.cache
downloads.dat
fileruns.cache
gnuetella.net
library.dat
library5.dat
limewire.props
lock
mojite.props
restacesss
secure-ids.properties
secure-ids.script
ttdata.cache
ttrooo.cache

And that's the folder you can delete. :) After that redo the connection fix then see if LW will connect.

I can't delete the file folder. Am I supposed to delete certain things inside?

Right-click the folder and choose Delete. Or drag and drop the folder into the Recycle bin. If it's your computer I presume you are logged into the computer with administrative powers.
What happens when you try to delete the folder?

I already tried deleting it. Telling me how to won't change the fact it won't work.

I right click, I try to move to recyling, nothing. I right click and I get open, scan for viruses, include in library, restore previous versons and send to desktop (create shortcut).

I have windows vista home premium and there is a delete function when i right click on the limewire folder . Do you have windows 7 ???

Yes.

Ok robin hood , how many people use your pc ;