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SFC / scannow function will not work and I end up in a loop

by 3151jeff / August 21, 2005 10:32 AM PDT

Having problems trying to complete this operation so I will give you an exact description as to what I see as I progress:

-select run
- type the ''SFC /scannow'' command
-a window appears that says this in message #1
''Files that are required for Windows to run properly must be copied to the Dll Cache
Insert your Windows XP Professional Service Pack 2 CD now"
and below are the 3 buttons RETRY / MORE INFORMATION / CANCEL
- then I insert the Windows XP CD, the Windows XP SP2 CD or no CD at all and I get this in message #2
'' The CD you provided is the wrong CD.
Please insert the Windows XP Professional Service Pack 2 CD into your CD-ROM drive''
and below that is the OK button
-select the OK button
-the #1 message appears again
-if I push the RETRY button it takes me back to the message #2
- if I push the MORE INFORMATION button I get this
message #3
''Possible reasons for this problem:
* You have inserted the wrong CD. (i.e., a different Windows product CD than the version installed)
* The CD-ROM drive in your system is not functioning.''
and below this the OK button
- select the OK button and I am back to the #1 message again
- if I push the CANCEL button I get this message in
message #4
If you cancel , Windows might require you to insert a CD later. Are you sure you want to skip this file?
Below this is the YES and the NO button,
if I push the YES button I get the #1 message and if I push the NO button I get the #1 message again
I just end up in this endless loop that can only be exited from by rebooting.

I would appreciate any assistance.

System configuration:
-MDG Computers
-Pentium 4 2.8ghz
-1024mb Ram
-D845GVSR Motherboard
-Bus Clock 133 megahertz
-Bios Intel corp
-16 kb primary memory cache
-1024 kb secondary memory cache
-160gb WD NTFS HDD
-DVD R/RW Drive

OS: Windows XP Media Center Edition SP 2

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What cd do you have?
by Stan Chambers / August 21, 2005 10:43 AM PDT

If you have the Windows XP cd without SP2, you'll need to slipstream the origingal cd and sp2. It appears that your computer has XP with SP2, so that is the cd it looks for.

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it just states Windows XP
by 3151jeff / August 21, 2005 10:57 AM PDT
In reply to: What cd do you have?

there is no mention of SP2.
I will look into slipstreaming.

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I have the same cd.
by Stan Chambers / August 21, 2005 11:06 AM PDT

It was issued prior to sp2. I had to slipstream the xp cd with sp 2. You can find many helpful websites that will assist you with this. Just type "slipstream xp sp2" into Google.

I used the eldergeek site, but there are many different methods, depending on what burning software you have. There are also some freeware programs
which you can download, that some use to accomplish this.

It can be a little confusing for some, but if you follow the directions closely, you should be successful.

Also, do a search in these forums for slipstreaming xp.
There is a lot of discussion on this.
Best of Luck

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Here's a link that many have used.
by Stan Chambers / August 21, 2005 11:21 AM PDT
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(NT) (NT) Thanks Stan
by 3151jeff / August 21, 2005 11:51 AM PDT
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Who installed the OS?
by R. Proffitt Forum moderator / August 21, 2005 11:27 AM PDT

It's possible they gaffed (blew) the install. Call them up.

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Ever use DriverCleaner's Cab Cleaner?
by denniseckhaus / August 22, 2005 2:40 AM PDT

I use a slipstream cd of XP Home SP2 I made following the guides at and their methods have always worked for me, even when doing OEM versions for friends.

I also use DriverCleaner when updating video or soundcard drivers. Using CabCleaner on that program extracts the cabs, removes ATI and Nvidia driver files from the XP installation sources, and then makes new cab files.

Unfortunately, when it makes the new cab files this breaks the ability for system file checker to recognize the digital signature of those cab files. Anytime I have run sfc /scannow after using cabcleaner on my system's I have gotten that same loop you talked about.

I still run cabcleaner the first time I install the video drivers on my system as otherwise XP will substitute older driver files for the ones in the updated drivers. I just hope to never need to use sfc /scannow and need to just trust in Windows automatic system file protection to put back the proper files if a program installation overwrites them. That still works, as the files that are repackaged by cabcleaner are all still digitally signed, just the and parent files are not.

Maybe this happened to you?

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