id summary reporter owner description type status component version resolution keywords cc guest host 3472 Windows Guest on Fedora 10x64 host Yian "The scandisk (all command variants) as well as chkdsk fail even on non problematic ntfs disks. These programs report after phase 2 that ntfs cannot be repaired. These disks are accessed within the USB2.0 interface supplied by VirtualBox. Host: Fedora 10 x64 Guest: Windows XP Pro SP2 (with or without updates up to current date) The ntfs disks have over 1M files. Normal Windows XP do correct the ntfs file structure. Thanks... p.s. In many cases mounting a USB drive through virtualbox is not readily seen by windows. A few times mounting off and on are needed. " defect closed USB VirtualBox 2.1.4 fixed Windows Linux