I’ve used it without issues at all. Did you download ver 1.x or 2.x? I’m guessing 1.x
This is the right version (below). I don’t know why they keep 1.x available for download - well, it’s because 2.x is not backwards compatible but 2.x has been out for several years.
http://sourceforge.net/projects/keepass/files/KeePass%202.x/2.19/KeePass-2.19.zip/download