How to Repair System State - Version 5.2 Get SysTools BKF Repair Tool for repairing of corrupt BKF files which are corrupted due to changing the location of system files. By default, Backup files are stored in the C drive's Windows folder. System 32 contains all the BKF files which are under Windows folder. But if the location of the BKF file is changed, there is a huge chance of the files present in the backup system getting corrupt or damaged. In that situation backup system users can use SysTools BKF Repair Tool which is fully capable of performing data recovery process in a very quick session. Know how to repair system state BKF files which are corrupt and damaged by using SysTools BKF Repair Tool which is utilizing to repair BKF files even when the temporary location of the file is altered. You can purchase SysTools BKF Repair Tool for just $89 for its personal license. If you want business license of the utility you can buy that by paying just $180.