Library missing?

Hiya.

The last time I ran LW, I was downloading files. Before these downloads completed, I changed a setting, not allowing the popups for when the file is completed. Then, I closed LW. Then, a few hours later.. I opened it again, and.. there was no Library? So I could not access any files. So.. Me, being me, went to Tools, and options, and reset the defaults.. thinking it wouldn't delete all my files and completely reset LW, but.. it did. And then, I went to Program Files for the LimeWire folder, and I have no files in there.. so I have absolutely nothing now, So what can I do? Is there someway to get those files back? Or do I have to re-download them all?