The VSS (Volume Shadow Copy) server is different in 32-bit and 64-bit versions of Windows OS. The BKF file uses different catalogs even if file is created using 32 bit VSS interface and need 32 bit VSS based backup tool for restoration process. When you attempt to restore that BKF file with 64 bit Windows then the catalogs may get corrupted and BKF file become inaccessible. SysTools BKF Repair software is perfect solutions for repairing the inaccessible BKF file created using NTBACKUP.exe, VERITAS Backup Exec or any other backup utility heaving MTF format under Windows NT, Novell, Macintosh OS. BKF file recovery software can fix BKF file and restore all data even if BKF file is displaying following error message:

* CRC (cyclic redundancy check) error
* The fixed media is full
* Backup file could not be used
* Backup file has wrong signature for this server
* Backup file could not be found
* Backup file not found in netbackup catalog
* The backup file is unusable. you must erase it or choose another file
* The backup file is corrupt and cannot be restored
* The backup file is either damaged or could not be found
* The backup file could not be found or is not the file that was requested
* The backup file contains unrecognized data and cannot be used ntbackup or XP
* An inconsistency was encountered in the requested backup file or storage media.

When you switch on Windows Vista OS or installed the Windows operating system (any older version of Vista) with different product key after creating the backup then error messages occur "the backup file contains unrecognizable data and cannot be used". Software successfully works with Windows 98/2000/ME/NT/XP/2003 and Vista OS. SysTools BKF Repair software is trustworthy tool for all users to sort out error message. Get free demo version of BKF fix software for awareness. After satisfactions, Purchase full version of software to get all data from damaged BKF file.