Make use of external backup restore software to open, read, and restore windows XP backup files immediately. Windows backup files basically corrupted due to common corruption reason like: Windows backup software malfunctioning, Virus and Trojan effect, hard drive corruption, catalog file missing, backup interruption etc. This tool also extracts and restores corrupt backup files in Windows Vista. Demo version of BKF file repair software is available. Download free demo version and check the software functionality. If you are full satisfied for demo version and want to full recovery get its full licensed version at just $89.