If your backup files is not access or open so don''t try to open again and again because corruption chances may be occured if you open again and again that file so simply try SysTools BKF repair tool v5.4 to scan the .bkf files and repair or restore the corrupted backup data. This software run successfully with all window platforms for instance Win2000Win7 x32Win7 64Win98WinOtherWinVistaWinVista x64WinXP. Windows MS Backup Recovery Tool has all useful features which help your easily and quick backup recovery and save your important time. Backup system is very helpful for storing data as backup. When the backup system files are corrupt they can be quickly recovered by Windows XP Backup Recovery tool. Before starting Windows MS Backup Recovery process you can apply scan process for scanning of the corrupt files. SysTools also give trial version for your satisfaction which absolutely free of cost. So don''t waste your time and get Windows XP Backup Restore Tool at $89 for single users known as Personal License & 180 for multiple users at a single time known as Business License. Use this link- http://www.windowsbackuprecovery.org/windows-xp-backup-recovery.html