Removes VirtualDJ legacy entries from Windows registry (ver 7 or older). VirtualDJ 8 (and later) settings are stored in separate settings file in Documents>VirtualDJ and are not affected. Delete that file instead to reset settings in VirtualDJ 8 or later.
PlaylistFixer 8 is fixing your playlists and history files after you moved some files and VirtualDJ can't find them anymore. It is basically using the filename to find the file, but if it findes more than one file with the same name, it takes the one with