Yasu has been updated to v1.3.5. This update is only available for MacOS X 10.4 and “fixes authentication routines to work with the Apple Security Update 2005-009 released on 11/29/05, and removes the ‘Update prebinding’ option since it’s irrelevant under Tiger.” Yasu v1.0.3 is still aviailable for users of MacOS X 10.2-10.3. Read the Favored Freeware entry for Yasu here.