Recovery BKF - Version 5.4.1 If BITS file is run along with ntbackup.exe file. In this situation show a warning message and your backup file is got corrupted.Warning: unable to open “Drive: \Documents and Settings\All Users\Application Data\Microsoft\Network\Downloader\qmgr1.dat -skipped” And you want to need an ideal solution which is entirely recovering NTBackup file. Repair BKF File tool has three types of scanning process.• Quick Scan• Deep Scan• Ranged Based ScanIn Quick scan process software repair corrupt backup file rapidly, In Deep scan, Software scan corrupt BKF File in two phases and deeply repair damaged ntbackup.exe file. In ranged based scan, the software scans repair corrupt backup file for selected ranged. The BKF repair tool helps to repair all BKF databases including images ( JPEG, PNG, BMP, PSD, GIF) song files (MP4, MP3) emails notepad file, MS Word, MS PowerPoint, MS Excel business document and other BKF