Udfs.sys – Pre Service Pack 3 Revision History for Windows Vista SP2, Windows Server 2008 SP2 and Windows Small Business Server 2008 (SBS 2008)
07-May-2012 – 6.0.6002.22848 – Udfs.sys – http://support.microsoft.com/kb/2710785 – The computer stops responding when you copy files to a Blu-ray Disc in Windows Vista SP2 or in Windows Server 2008 SP2
03-Feb-2011 – 6.0.6002.22582 – Udfs.sys – http://support.microsoft.com/kb/2411000 – You cannot read or copy a file that contains an asterisk character in the stream name in Windows Vista, in Windows Server 2008, in Windows 7 or in Windows Server 2008 R2
22-Nov-2010 – 6.0.6002.22530 – Udfs.sys – http://support.microsoft.com/kb/982941 – You cannot browse any data that is written to a DVD-R disc in Windows Vista or in Windows Server 2008 after you eject and then reinsert the disc