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Windows File Protection

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I was surfing the web last night on my home computer and I ran across this message:

"Windows File Protection

Files that are required for Windows to run properly have been replaced by unrecognized versions. To maintain systems stability, Windows must restore the original versions of these files. Insert your Windows XP Professional Service Pack 2 CD now."

I have a Windows XP Upgrade disc (came with the computer), but it states that the disc is not correct. Am I going to have to re-run the Windows XP Upgrade disc to remove this issue?

I've run Norton Anti-Virus and an anti-spyware program, but they did not find anything amiss.

Any suggestions?

Thanks for your help,
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I have had this EXACT same problem over and over again, and to tell you the truth, the easiest thing to do is to go to the malware section and see if they can't help you.

Before I tell you what I did...
From what I can tell it is a virus of some sort that infects a system file. svchost.exe

However having said that I think the malware people will be best suited to help you. And do not let the system keep the unrecognised versions. The system will soon freeze up and you will have to re-install windows from scratch.
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Hi Adrenalin, welcome to G2G.

I suspect your problem is your upgrade disc is at the SP1 level while your hard drive is now at the SP2 level. You can create a new XP Upgrade CD slipstreamed with SP2 then it should work.

The simplest way to create a Bootable Windows XP Pro or Home Installation CD Slipstreamed with SP2 is to use Autostreamer. You point to your XP Pro/Home CD, the SP2 Service Pack .exe file, give it a path to write the .iso file to and off it goes. In 5 or 10 minutes you have a .iso file that you can burn to CD with almost any CD burner program you want to use. I used Roxio 7. There is a good freeware burner called DeepBurner which will do this also.

Here is the link to Autostreamer:

You can download the SP2 .exe here:

An excellent alternative is nLite. It allows you to merge SP1/SP2/Windows Updates into a new XP CD image that you can install from. Takes a bit of fiddling with but worth the effort since it also allows you to pre-answer all the questions asked during install so all you have to do is boot the new CD, select where you want to install, format or not and go to lunch. When you come back the install is finished and your are at the latest Service Pack and Update level. See here:

Use this site to get the MS updates:

You can also get updates from an MS site but it takes more work:

Additionally, once you have the new XP CD, you can copy the I386 directory tree from the CD to your hard drive then do the following to update the registry to use it instead of asking you to put the CD in.

Use this registry hack to point SFC and Windows File Protection to the C:\I386 directory. Copy everything in red to the clipboard then open Notepad and paste it in. Save it as RunSFCFromHD.reg. Open My Computer and navigate to the folder you saved it in, right click on it and select Merge. Click OK as necessary.

Windows Registry Editor Version 5.00



[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion]


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