Computer is Windows XP SP3, 3 GB, lots of free disk space. Backup and restore with ATIH 11 build 8101 works perfectly - both from installed software and recovery disk. ATIH 2009 Build 9646 fails with this error both from installed version and recovery disk. I uninstalled ATI 2009 Build 9646 and reinstalled Version 11, so I can continue to backup my hard drive. I've contact ATI Customer Support and haven't yet received a response. Any suggestions from forum participants will be most welcome.