I find it unbelievable that Acronis produces a product that is unable to produce backups on USB devices that aren't corrupt or say they aren't corrupt until you try to restore or copy them to an internal hard drive. How this company gets good recommendations in the press is beyond me. I have been in IT for over 30 years and it is positively the most unreliable backup software I have EVER come across. If you rely on Acronis to backup vital information you are asking for trouble. It is a bad joke.