This might help:
<A HREF="http://www.petri.co.il/what's_system_file_checker.htm" target="_new">What is the System File Checker (SFC) command on a Windows 2000/XP/2003 computer?</A>
<A HREF="http://support.microsoft.com/default.aspx?scid=kb;EN-US;Q310747" target="_new">Description of Windows XP and Windows Server 2003 System File Checker (Sfc.exe)</A>
Toey
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