The current Windows installer, instead of installing jAlbum in
C:\Program Files\jAlbum, is installing it in
C:\Program Files\JAlbum AB\jAlbum.
This is not a good thing.
(In short, it landed me in "no-man's-land," with an unholy mix of versions, with predictably godawful results.)
ETA: And it was a lot of fun in NetBeans, which suddenly couldn't find some trivial, unimportant libraries like jalbum-core.jar. Yikes.