DiskWarrior 4 version 4.1 is now available for complete compatibility with Mac OS X 10.5 (Leopard). Version 4.1 offers additional repair capabilities including the ability to repair damaged directory hard links (a new feature of Leopard for Time Machine backups). DiskWarrior 4 version 4.1 is the only utility that can repair damaged links, directory loops and other problems that can happen with directory hard links.