Status change on this problem: The library now slowly fills to find and share files, but all upload attempts still abort with "File Not Found". Looks like a marginal improvement.

(I also discovered, the hard way, that when WinCVS says you should download its stable version, don't download the newest beta. It's amazing just how badly a simple login or logout could make Windows crash. I've got to wonder how badly those idiots could screw up the WinCVS code that logging into a server makes Windows' guts fall out. At least the stable version apparently is stable.)

I'm curious what the people working on the Limewire code have to say about this File Not Found thing, but there doesn't seem to be a separate discussion area (that I've seen). It seems to me that to fix the upload problem, one must be able to find the files to upload in the first place. Or was that somehow related to the upload problem?