DiskWarrior 4 version 4.1 is now shipping on DiskWarrior CD revision 42. This CD is a universal startup CD that can start up both PowerPC and Intel Macs. All Mac models meeting the system requirements for DiskWarrior except the new Mac Pro and Xserve models introduced on 01/08/2008, the MacBook Air introduced on 01/15/2008, the MacBook/MacBook Pro models introduced on 02/26/2008 and the iMac models introduced on 04/28/2008 can be started from the CD. An updated disc that will also start up the most recent Mac models will be released as soon as Apple, Inc. releases new startup files to Alsoft, Inc. and other developers. Click here to learn how to repair the directory of a disk in a Mac model that cannot be started from the DiskWarrior CD.