The corruption of the BKF files can happen due to several reasons including software corruption, virus attack, interruption in backup etc. But a common reason for BKF Corruption is Missing Catalog Files. Catalog files are the files that allow NTBackup to restore data from BKF. These catalog files produce during backup operation and are stored in a folder, namedcatalogsfolder, on your system. These appear under the "Restore" tab I n NTBackup. In case you try to make more than one backup at a time, these catalog files share matching timestamp attribute. The set you created first will only show up under this restore tab but the other set created simultaneously will not show up. This causes BKF corruption. When such corruption happens, if you look at the BKF files, created by the coordinated execution of multiple backup processes at one time, you will find that catalog files are missing from the "Restore" tab.
In this situation you do not restore all of your data and files from corrupt Backup file. This time you need backup recovery software or required a best and effective bkf file recovery tool to extract bkf files & explore bkf file to open files in BKF archive for restoring your corrupt or damaged data. We have a solution to remove this problem and restore BKF files. BKF Repair software provides a solution to get data back from corrupted BKF files that was corrupted due to Missing Catalog Files error.