RE: Windows File Protection

From: justinwilshire (justinwilshire_at_discussions.microsoft.com)
Date: 08/28/04


Date: Sat, 28 Aug 2004 00:13:04 -0700

I had the same thing happen to me a few weeks ago and here is what I think/
how I resolved the problem. This brings up an issue which is an interesting
question, concerning running the SFC (system file checker) from the command
prompt by typinng SFC /scannow, and inserting the windows XP cd rom. What
that useful utility does is check the protected system files and if any have
been overwritten by incorrect versions etc. it will retore the correct
version from the XP installation disk. That's a good utility to keep one's
system running smoothly and I do that regularly. Now what you experienced was
the windows system file protection feature of xp which asks for the CD rom
when one of the special/crucial files have been replaced. Now here's the
issue! I aborted out of the update a few times to make sure that it WAS the
update causing the system file protection to activate. FIrst I cancelled the
file protections attempt to fix the problem by putting in a wrong cd and then
cancelling it. I've seen it come on after installing software, and if that
software automatically reboots the system without asking you if you want to.
Then you never get to fix the protected file situation in time. And believe
me I don't always have my Windows XP cd rom so readily accessible to be able
to insert it, heck sometimes I'm looking through stacks of dozens of CD's for
maybe 20 minutes before I locate it. Anyway, I stopped the protection, then
cancelled the update and started all over again. Now this time I have my CD
handy but, I ask myself if windows update has installed a newer version of a
system file, do I really want to replace THAT NEW ONE with the old standard
protected version? And I wonder, how many of those files when I run the SFC
utility get replaced with older versions from the CD that perhaps should not.
Am I undoing the good, hindering the updates for security etc from running as
effectively with their more effective system files that are being installed
when I do that? Logically I would think yes. So when I decided when I'm
running an authentic uptdate to the operating system from microsofts windows
update website, and I get a system file protection error I'll cancel that out
and ignore it and finish running the update. That's what logically makes the
most sense to me. However I have not heard anything or seen in the knowledge
base the official Microsoft stance on file protection and more importantly
the running of the SFC in relationship to newer files that may be installed
by windows update when the operating system is being enhanced by the fiixes
or the service packs. If anyone can tell me, I'd be interested in knowing,
and I hope that your question may have had some light shed upon it in the
course of my ramblings.
JW

"clueless" wrote:

> HELP!!! I was running windows update when this thing
> called windows file protection popped up. It says:
> "Files that are required for windows to run properly have
> been replaced by unrecognized versions. To maintain
> system stability, windows must restore the original
> versions of there files. The network location from which
> these files should be copied
> c:/windows/servicepackfiles/i386/controls.man is not
> availible. Contact your system administrator, or insert
> KB839645 source files now." Then I click retry and it
> pops up the same message. I don't want to shut down my
> computer if it doesn't have the right files to run. What
> do I do?
>



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