WFP and SFC

P

Pop

If a previous, partial post shows up, my apologies; I was typing
with my palms again!

I'll try again; besides, I think I'll state it clearer this time
<g>, given a second chance.

System File Checker, winXP Pro, SP2+HFix, P4, 512 Meg, dual 80
Gig + 160Gig external drives, many peripherals, fully updated os,
adware, av, spyware, cookie management, etc etc., zero problems,
all runs fine.
Reason for question is I ran SFC in order to be sure I was
telling someone else with a trashed machine how to do it.
However, I got a surprise on my machine
:
-- SFC asks for the CD after running a second or two, saying it
needs some missing files. Hmm, OK, guess that's possible, maybe,
sort of. Then something occurred to me:
-- Will SFC distinguish between -newer- and -older- files when
it looks on the CD?
-- I'm concerned it may back-rev files on me. I stopped SFC
at that point becaue I didn't want to find out empiracally <g>.

-- Can anyone tell me with any degree of confidence that it won't
back-rev files on me?
-- Will it complain if it finds MS files but not those from the
CD on it? I have added a couple of .DLLs myself.

I know, I could back up dllcache and try it, but that's a lot of
files to have to mess with and I'd rather not disturb a well
functioning system. Doing a REstore from a full backup is also a
distasteful job so I don't want to chance that either. I can't
find anything specific on SFC's operation and methodology.

-- Any good sites on SFC?

Thanks for your comments and shared knowledge,

Pop
 
G

Guest

SFC scans for files and replaces them with the most current dates. If your
files are more current, then it will not replace them but ask you if you
want to.
 
J

Jon Erlandson

I believe you shouldn't be asked for the CD unless dllcache is corrupt
(either in part or whole.)

Take an in-depth look at XP's Windows File Protection
http://techrepublic.com.com/5100-22-5427227.html

How to use scannow sfc
http://www.updatexp.com/scannow-sfc.html

Description of the Windows File Protection Feature
http://support.microsoft.com/default.aspx?scid=kb;en-us;222193

Description of Windows XP and Windows Server 2003 System File Checker
(Sfc.exe)
http://support.microsoft.com/default.aspx?scid=kb;en-us;310747

The SFC /SCANNOW Command May Overwrite Hotfix Files
(For pre-Windows 2000 SP4 systems.)
http://support.microsoft.com/?kbid=814510
 

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