Previously closed winamp with a 20-30 song file track loaded.
I load winamp. I load a directory of songs, adding to the 20-30 in the list already. I play one of the newly added songs. I run ws_ftp Sound stops in winamp. I switch focus to winamp, the song progress bar is stopped, about 10 seconds later winamp freezes.
I learned how to fix this. I noticed if I load winamp, do not add any songs, then play one and load ws_ftp, nothing bad happens. So I opened winamp, loaded my songs, closed winamp, then loaded it up again, loaded ws_ftp. Everything is fine.