Repair Crashed Windows Backup - Version 5.6 If you want a perfect backup recovery tool that enable to repair crashed Windows backup data then try BKF recovery tool permits to restore crashed BKF file & up to 300 GB backup data and easily recovered all items at one time. Backup BKF recovery tool effectively runs on all Windows Operating System like: 98, ME, 2000, XP, Vista and Windows 7. To test their features or working abilities download demo version which helps you to repair crashed BKF file and provides a view of the recovered Windows backup database. But demo version does not allow you to save these files on your system. Want to make a full recovery, purchased a full version at just $89.