Thanks for letting me know. The 64 bits version was only tested with Windows XP, because I have no spare computer with 64bit processor. I do not even know if this is a sp1 issue or not. Vista is really starting to get on my nerves...
Until it is resolved, you can download the zipped files from here: http://www.rw-designer.com/2007.1/RWCursorEditor32.zip