Since buying a new PC with pre-installed Home Premium I have been trying to
make a backup copy. Every attempt ends with the same failure. The system
event log contains "The file system structure on the disk is corrupt and
unusable. Please run the chkdsk utility on the volume OS_Install." I have
run chkdsk several times and it has never found any errors (it always finds
5 unindexed entries but I don't believe this is a problem). I have no
confidence in my PC vendor's software support, its latest "solution" has
been to reinstall Vista, which I am reluctant to do in view of the fact that
everything else works and I have had no problem in accessing my files. The
expanded view of the event is: -
- Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event"
- System
Provider Name="Ntfs" /
EventID Qualifiers="49156"55/EventID
Level2/Level
Task2/Task
Keywords0x80000000000000/Keywords
TimeCreated SystemTime="2007-05-21T18:14:29.505Z" /
EventRecordID27431/EventRecordID
ChannelSystem/Channel
ComputerPSTEMESH/Computer
Security /
/System
- EventData
Data /
DataOS_Install/Data
Binary0D0004000200300002000000370004C00000000002 0100C00000000000000000000000000000000089420300/Binary
/EventData
/Event

Does the binary data give any clues as to the identity of the "corrupt
directory"?

Just from looking at what's there, this may be a separate hidden volume
on your drive that includes a "factory install" OS image. You should be
able to go into the Disk Management utility (Start, Control Panel,
Administrative Tools, Computer Management, Storage, Disk Management) and
see both device information and volume labels to figure out what drive
letter corresponds to the OS_install volume name. I imagine you've been
running chkdsk on C: and that perhaps this other volume may have a
different drive letter, if they're not one and the same thing.
HTH,
--Ed--


--
EdTittel
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