lad

I'm logged in as admin. what's issue ? or i must to log in as guest ? help me, all datas put in it. Thanksssssssss !!!!!!!!!!!

I have file .BKF, but i can not open to restore with NTBackup, open error with message : " THE BACKUP FILE CONTAINS UNRECOGNIZED DATA AND CANNOT BE USED ". I used WINDOWS XP HOME. How can i restore my file .BKF. Thanks a lot !!!