Using OS X 10.3.9,
it sometimes happens with network folders (hosted at a Windows server, probably 2003) that all folders are shown twice, and one folder in each pair is a useless ghost duplicate: if you save something to the ghost duplicate folder, your file simply disappears.
it sometimes happens with network folders (hosted at a Windows server, probably 2003) that all folders are shown twice, and one folder in each pair is a useless ghost duplicate: if you save something to the ghost duplicate folder, your file simply disappears.