Just for Info: Writing very large files to NTFS may fail on Vista and Windows Server 2008: http://support.microsoft.com/kb/957065 This may be the case if ddrescue is used on Cygwin to create an image file of a large disk. Here a problem report from the ddrescue mailing list: http://lists.gnu.org/archive/html/bug-ddrescue/2009-03/msg00005.html -- Christian Franke -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/